Home / 22,123,821.20-33,119,376.60-19,469,613.20

Finding the Fourth Proportional to 22,123,821.20, 33,119,376.60 and 19,469,613.20

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Solution

The fourth proportional to 22,123,821.20, 33,119,376.60 and 19,469,613.20 is: 29,146,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,123,821.20 : 33,119,376.60 = 19,469,613.20 : x
  2. Step 2: Convert to fraction form
    22,123,821.20/33,119,376.60 = 19,469,613.20/x
  3. Step 3: Cross multiply
    22,123,821.20x = 33,119,376.60 × 19,469,613.20
  4. Step 4: Simplify right side
    22,123,821.20x = 644,821,451,827,131.12
  5. Step 5: Solve for x
    x = 644,821,451,827,131.12/22,123,821.20
  6. Step 6: Final answer
    x = 29,146,025.27

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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.