Home / 12,575,691.20-18,863,513.25-3,940,452.71

Finding the Fourth Proportional to 12,575,691.20, 18,863,513.25 and 3,940,452.71

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Solution

The fourth proportional to 12,575,691.20, 18,863,513.25 and 3,940,452.71 is: 5,910,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575,691.20 : 18,863,513.25 = 3,940,452.71 : x
  2. Step 2: Convert to fraction form
    12,575,691.20/18,863,513.25 = 3,940,452.71/x
  3. Step 3: Cross multiply
    12,575,691.20x = 18,863,513.25 × 3,940,452.71
  4. Step 4: Simplify right side
    12,575,691.20x = 74,330,781,953,242.19
  5. Step 5: Solve for x
    x = 74,330,781,953,242.19/12,575,691.20
  6. Step 6: Final answer
    x = 5,910,671.69

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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.