Finding the Fourth Proportional to 39,730,629.70, 59,551,657.80 and 15,461,490.70
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Solution
The fourth proportional to 39,730,629.70, 59,551,657.80 and 15,461,490.70 is: 23,175,001.51
Step by Step Solution
- Step 1: Write the proportion equation
39,730,629.70 : 59,551,657.80 = 15,461,490.70 : x - Step 2: Convert to fraction form
39,730,629.70/59,551,657.80 = 15,461,490.70/x - Step 3: Cross multiply
39,730,629.70x = 59,551,657.80 × 15,461,490.70 - Step 4: Simplify right side
39,730,629.70x = 920,757,403,244,282.38 - Step 5: Solve for x
x = 920,757,403,244,282.38/39,730,629.70 - Step 6: Final answer
x = 23,175,001.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.