Home / 20,227,414.40-30,341,121.60-19,891,491.20

Finding the Fourth Proportional to 20,227,414.40, 30,341,121.60 and 19,891,491.20

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Solution

The fourth proportional to 20,227,414.40, 30,341,121.60 and 19,891,491.20 is: 29,837,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,414.40 : 30,341,121.60 = 19,891,491.20 : x
  2. Step 2: Convert to fraction form
    20,227,414.40/30,341,121.60 = 19,891,491.20/x
  3. Step 3: Cross multiply
    20,227,414.40x = 30,341,121.60 × 19,891,491.20
  4. Step 4: Simplify right side
    20,227,414.40x = 603,530,153,304,529.88
  5. Step 5: Solve for x
    x = 603,530,153,304,529.88/20,227,414.40
  6. Step 6: Final answer
    x = 29,837,236.80

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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.