Home / 40,749,934.38-61,103,867.49-11,992,335.90

Finding the Fourth Proportional to 40,749,934.38, 61,103,867.49 and 11,992,335.90

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Solution

The fourth proportional to 40,749,934.38, 61,103,867.49 and 11,992,335.90 is: 17,982,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,749,934.38 : 61,103,867.49 = 11,992,335.90 : x
  2. Step 2: Convert to fraction form
    40,749,934.38/61,103,867.49 = 11,992,335.90/x
  3. Step 3: Cross multiply
    40,749,934.38x = 61,103,867.49 × 11,992,335.90
  4. Step 4: Simplify right side
    40,749,934.38x = 732,778,103,729,170
  5. Step 5: Solve for x
    x = 732,778,103,729,170/40,749,934.38
  6. Step 6: Final answer
    x = 17,982,313.71

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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.