Finding the Fourth Proportional to 29,135,336.32, 40,206,567 and 15,904,459.36
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Solution
The fourth proportional to 29,135,336.32, 40,206,567 and 15,904,459.36 is: 21,948,046.31
Step by Step Solution
- Step 1: Write the proportion equation
29,135,336.32 : 40,206,567 = 15,904,459.36 : x - Step 2: Convert to fraction form
29,135,336.32/40,206,567 = 15,904,459.36/x - Step 3: Cross multiply
29,135,336.32x = 40,206,567 × 15,904,459.36 - Step 4: Simplify right side
29,135,336.32x = 639,463,710,856,617.12 - Step 5: Solve for x
x = 639,463,710,856,617.12/29,135,336.32 - Step 6: Final answer
x = 21,948,046.31
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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.