Home / 20,015,195.40-30,022,793.10-18,456,301.80

Finding the Fourth Proportional to 20,015,195.40, 30,022,793.10 and 18,456,301.80

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Solution

The fourth proportional to 20,015,195.40, 30,022,793.10 and 18,456,301.80 is: 27,684,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015,195.40 : 30,022,793.10 = 18,456,301.80 : x
  2. Step 2: Convert to fraction form
    20,015,195.40/30,022,793.10 = 18,456,301.80/x
  3. Step 3: Cross multiply
    20,015,195.40x = 30,022,793.10 × 18,456,301.80
  4. Step 4: Simplify right side
    20,015,195.40x = 554,109,730,332,557.62
  5. Step 5: Solve for x
    x = 554,109,730,332,557.62/20,015,195.40
  6. Step 6: Final answer
    x = 27,684,452.70

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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.