Home / 22,143,419.10-33,215,128.65-20,797,101.90

Finding the Fourth Proportional to 22,143,419.10, 33,215,128.65 and 20,797,101.90

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Solution

The fourth proportional to 22,143,419.10, 33,215,128.65 and 20,797,101.90 is: 31,195,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,419.10 : 33,215,128.65 = 20,797,101.90 : x
  2. Step 2: Convert to fraction form
    22,143,419.10/33,215,128.65 = 20,797,101.90/x
  3. Step 3: Cross multiply
    22,143,419.10x = 33,215,128.65 × 20,797,101.90
  4. Step 4: Simplify right side
    22,143,419.10x = 690,778,415,155,659.38
  5. Step 5: Solve for x
    x = 690,778,415,155,659.38/22,143,419.10
  6. Step 6: Final answer
    x = 31,195,652.85

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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.