Home / 22,143,418.10-33,215,127.15-20,797,100.90

Finding the Fourth Proportional to 22,143,418.10, 33,215,127.15 and 20,797,100.90

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Solution

The fourth proportional to 22,143,418.10, 33,215,127.15 and 20,797,100.90 is: 31,195,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,418.10 : 33,215,127.15 = 20,797,100.90 : x
  2. Step 2: Convert to fraction form
    22,143,418.10/33,215,127.15 = 20,797,100.90/x
  3. Step 3: Cross multiply
    22,143,418.10x = 33,215,127.15 × 20,797,100.90
  4. Step 4: Simplify right side
    22,143,418.10x = 690,778,350,744,879.38
  5. Step 5: Solve for x
    x = 690,778,350,744,879.38/22,143,418.10
  6. Step 6: Final answer
    x = 31,195,651.35

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1.5x scale

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.