Home / 20,398,876.20-30,598,314.30-19,202,149.80

Finding the Fourth Proportional to 20,398,876.20, 30,598,314.30 and 19,202,149.80

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Solution

The fourth proportional to 20,398,876.20, 30,598,314.30 and 19,202,149.80 is: 28,803,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,398,876.20 : 30,598,314.30 = 19,202,149.80 : x
  2. Step 2: Convert to fraction form
    20,398,876.20/30,598,314.30 = 19,202,149.80/x
  3. Step 3: Cross multiply
    20,398,876.20x = 30,598,314.30 × 19,202,149.80
  4. Step 4: Simplify right side
    20,398,876.20x = 587,553,414,816,082.12
  5. Step 5: Solve for x
    x = 587,553,414,816,082.12/20,398,876.20
  6. Step 6: Final answer
    x = 28,803,224.70

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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.