Finding the Fourth Proportional to 7,491,332.10, 11,236,998.15 and 2,442,642.60
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Solution
The fourth proportional to 7,491,332.10, 11,236,998.15 and 2,442,642.60 is: 3,663,963.90
Step by Step Solution
- Step 1: Write the proportion equation
7,491,332.10 : 11,236,998.15 = 2,442,642.60 : x - Step 2: Convert to fraction form
7,491,332.10/11,236,998.15 = 2,442,642.60/x - Step 3: Cross multiply
7,491,332.10x = 11,236,998.15 × 2,442,642.60 - Step 4: Simplify right side
7,491,332.10x = 27,447,970,377,311.19 - Step 5: Solve for x
x = 27,447,970,377,311.19/7,491,332.10 - Step 6: Final answer
x = 3,663,963.90
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1.5x scale
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.