x \cdot ( 1 + 15 \% ) ^ { 5 } = 20000
Solve for x
x = \frac{64000000000}{6436343} = 9943\frac{3441551}{6436343} \approx 9943.534705966
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x\left(1+\frac{3}{20}\right)^{5}=20000
Reduce the fraction \frac{15}{100} to lowest terms by extracting and canceling out 5.
x\times \left(\frac{23}{20}\right)^{5}=20000
Add 1 and \frac{3}{20} to get \frac{23}{20}.
x\times \frac{6436343}{3200000}=20000
Calculate \frac{23}{20} to the power of 5 and get \frac{6436343}{3200000}.
x=20000\times \frac{3200000}{6436343}
Multiply both sides by \frac{3200000}{6436343}, the reciprocal of \frac{6436343}{3200000}.
x=\frac{64000000000}{6436343}
Multiply 20000 and \frac{3200000}{6436343} to get \frac{64000000000}{6436343}.
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