Finding the Fourth Proportional to 27,472,536.96, 37,910,203.32 and 15,248,431.68
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Solution
The fourth proportional to 27,472,536.96, 37,910,203.32 and 15,248,431.68 is: 21,041,782.42
Step by Step Solution
- Step 1: Write the proportion equation
27,472,536.96 : 37,910,203.32 = 15,248,431.68 : x - Step 2: Convert to fraction form
27,472,536.96/37,910,203.32 = 15,248,431.68/x - Step 3: Cross multiply
27,472,536.96x = 37,910,203.32 × 15,248,431.68 - Step 4: Simplify right side
27,472,536.96x = 578,071,145,299,929.12 - Step 5: Solve for x
x = 578,071,145,299,929.12/27,472,536.96 - Step 6: Final answer
x = 21,041,782.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.