Finding the Fourth Proportional to 62,750,261.26, 86,568,499.04 and 39,187,891.70
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Solution
The fourth proportional to 62,750,261.26, 86,568,499.04 and 39,187,891.70 is: 54,062,515.38
Step by Step Solution
- Step 1: Write the proportion equation
62,750,261.26 : 86,568,499.04 = 39,187,891.70 : x - Step 2: Convert to fraction form
62,750,261.26/86,568,499.04 = 39,187,891.70/x - Step 3: Cross multiply
62,750,261.26x = 86,568,499.04 × 39,187,891.70 - Step 4: Simplify right side
62,750,261.26x = 3,392,436,964,382,292 - Step 5: Solve for x
x = 3,392,436,964,382,292/62,750,261.26 - Step 6: Final answer
x = 54,062,515.38
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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.