Finding the Fourth Proportional to 8,569,974.92, 11,803,862.58 and 6,387,523.88
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Solution
The fourth proportional to 8,569,974.92, 11,803,862.58 and 6,387,523.88 is: 8,797,861.70
Step by Step Solution
- Step 1: Write the proportion equation
8,569,974.92 : 11,803,862.58 = 6,387,523.88 : x - Step 2: Convert to fraction form
8,569,974.92/11,803,862.58 = 6,387,523.88/x - Step 3: Cross multiply
8,569,974.92x = 11,803,862.58 × 6,387,523.88 - Step 4: Simplify right side
8,569,974.92x = 75,397,454,105,988.41 - Step 5: Solve for x
x = 75,397,454,105,988.41/8,569,974.92 - Step 6: Final answer
x = 8,797,861.70
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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.