Finding the Fourth Proportional to 10,103,934.10, 15,155,901.15 and 6,072,855.70
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Solution
The fourth proportional to 10,103,934.10, 15,155,901.15 and 6,072,855.70 is: 9,109,283.55
Step by Step Solution
- Step 1: Write the proportion equation
10,103,934.10 : 15,155,901.15 = 6,072,855.70 : x - Step 2: Convert to fraction form
10,103,934.10/15,155,901.15 = 6,072,855.70/x - Step 3: Cross multiply
10,103,934.10x = 15,155,901.15 × 6,072,855.70 - Step 4: Simplify right side
10,103,934.10x = 92,039,600,687,414.06 - Step 5: Solve for x
x = 92,039,600,687,414.06/10,103,934.10 - Step 6: Final answer
x = 9,109,283.55
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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.