Finding the Fourth Proportional to 29,990,965.69, 44,987,989.11 and 8,427,248.92
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Solution
The fourth proportional to 29,990,965.69, 44,987,989.11 and 8,427,248.92 is: 12,641,306.27
Step by Step Solution
- Step 1: Write the proportion equation
29,990,965.69 : 44,987,989.11 = 8,427,248.92 : x - Step 2: Convert to fraction form
29,990,965.69/44,987,989.11 = 8,427,248.92/x - Step 3: Cross multiply
29,990,965.69x = 44,987,989.11 × 8,427,248.92 - Step 4: Simplify right side
29,990,965.69x = 379,124,982,640,219.25 - Step 5: Solve for x
x = 379,124,982,640,219.25/29,990,965.69 - Step 6: Final answer
x = 12,641,306.27
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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.