Home / 38,414,712.16-57,613,812.24-12,155,628.80

Finding the Fourth Proportional to 38,414,712.16, 57,613,812.24 and 12,155,628.80

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Solution

The fourth proportional to 38,414,712.16, 57,613,812.24 and 12,155,628.80 is: 18,230,830.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,414,712.16 : 57,613,812.24 = 12,155,628.80 : x
  2. Step 2: Convert to fraction form
    38,414,712.16/57,613,812.24 = 12,155,628.80/x
  3. Step 3: Cross multiply
    38,414,712.16x = 57,613,812.24 × 12,155,628.80
  4. Step 4: Simplify right side
    38,414,712.16x = 700,332,115,342,336.62
  5. Step 5: Solve for x
    x = 700,332,115,342,336.62/38,414,712.16
  6. Step 6: Final answer
    x = 18,230,830.74

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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.