Finding the Fourth Proportional to 7,539,785.13, 10,404,463.53 and 4,231,772.01
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Solution
The fourth proportional to 7,539,785.13, 10,404,463.53 and 4,231,772.01 is: 5,839,598.45
Step by Step Solution
- Step 1: Write the proportion equation
7,539,785.13 : 10,404,463.53 = 4,231,772.01 : x - Step 2: Convert to fraction form
7,539,785.13/10,404,463.53 = 4,231,772.01/x - Step 3: Cross multiply
7,539,785.13x = 10,404,463.53 × 4,231,772.01 - Step 4: Simplify right side
7,539,785.13x = 44,029,317,545,319.79 - Step 5: Solve for x
x = 44,029,317,545,319.79/7,539,785.13 - Step 6: Final answer
x = 5,839,598.45
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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.