Finding the Fourth Proportional to 8,516,934.05, 12,777,414.80 and 2,759,658.17
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Solution
The fourth proportional to 8,516,934.05, 12,777,414.80 and 2,759,658.17 is: 4,140,139.74
Step by Step Solution
- Step 1: Write the proportion equation
8,516,934.05 : 12,777,414.80 = 2,759,658.17 : x - Step 2: Convert to fraction form
8,516,934.05/12,777,414.80 = 2,759,658.17/x - Step 3: Cross multiply
8,516,934.05x = 12,777,414.80 × 2,759,658.17 - Step 4: Simplify right side
8,516,934.05x = 35,261,297,066,613.55 - Step 5: Solve for x
x = 35,261,297,066,613.55/8,516,934.05 - Step 6: Final answer
x = 4,140,139.74
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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.