Finding the Fourth Proportional to 25,253,760.87, 34,847,589.36 and 18,641,866.95
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Solution
The fourth proportional to 25,253,760.87, 34,847,589.36 and 18,641,866.95 is: 25,723,856.65
Step by Step Solution
- Step 1: Write the proportion equation
25,253,760.87 : 34,847,589.36 = 18,641,866.95 : x - Step 2: Convert to fraction form
25,253,760.87/34,847,589.36 = 18,641,866.95/x - Step 3: Cross multiply
25,253,760.87x = 34,847,589.36 × 18,641,866.95 - Step 4: Simplify right side
25,253,760.87x = 649,624,124,377,355.62 - Step 5: Solve for x
x = 649,624,124,377,355.62/25,253,760.87 - Step 6: Final answer
x = 25,723,856.65
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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.