Finding the Fourth Proportional to 8,979,124.97, 12,391,192.00 and 4,849,155.75
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Solution
The fourth proportional to 8,979,124.97, 12,391,192.00 and 4,849,155.75 is: 6,691,834.68
Step by Step Solution
- Step 1: Write the proportion equation
8,979,124.97 : 12,391,192.00 = 4,849,155.75 : x - Step 2: Convert to fraction form
8,979,124.97/12,391,192.00 = 4,849,155.75/x - Step 3: Cross multiply
8,979,124.97x = 12,391,192.00 × 4,849,155.75 - Step 4: Simplify right side
8,979,124.97x = 60,086,819,897,767.56 - Step 5: Solve for x
x = 60,086,819,897,767.56/8,979,124.97 - Step 6: Final answer
x = 6,691,834.68
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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.