Home / 32,981,613.20-45,495,716.30-20,570,158.85

Finding the Fourth Proportional to 32,981,613.20, 45,495,716.30 and 20,570,158.85

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Solution

The fourth proportional to 32,981,613.20, 45,495,716.30 and 20,570,158.85 is: 28,375,025.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,981,613.20 : 45,495,716.30 = 20,570,158.85 : x
  2. Step 2: Convert to fraction form
    32,981,613.20/45,495,716.30 = 20,570,158.85/x
  3. Step 3: Cross multiply
    32,981,613.20x = 45,495,716.30 × 20,570,158.85
  4. Step 4: Simplify right side
    32,981,613.20x = 935,854,111,164,542.38
  5. Step 5: Solve for x
    x = 935,854,111,164,542.38/32,981,613.20
  6. Step 6: Final answer
    x = 28,375,025.37

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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.