Finding the Fourth Proportional to 42,005,854.20, 62,882,810.10 and 24,957,751.80
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Solution
The fourth proportional to 42,005,854.20, 62,882,810.10 and 24,957,751.80 is: 37,361,781.99
Step by Step Solution
- Step 1: Write the proportion equation
42,005,854.20 : 62,882,810.10 = 24,957,751.80 : x - Step 2: Convert to fraction form
42,005,854.20/62,882,810.10 = 24,957,751.80/x - Step 3: Cross multiply
42,005,854.20x = 62,882,810.10 × 24,957,751.80 - Step 4: Simplify right side
42,005,854.20x = 1,569,413,566,962,333.25 - Step 5: Solve for x
x = 1,569,413,566,962,333.25/42,005,854.20 - Step 6: Final answer
x = 37,361,781.99
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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.