Home / 20,383,183.30-28,127,949.60-11,090,791.62

Finding the Fourth Proportional to 20,383,183.30, 28,127,949.60 and 11,090,791.62

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Solution

The fourth proportional to 20,383,183.30, 28,127,949.60 and 11,090,791.62 is: 15,304,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383,183.30 : 28,127,949.60 = 11,090,791.62 : x
  2. Step 2: Convert to fraction form
    20,383,183.30/28,127,949.60 = 11,090,791.62/x
  3. Step 3: Cross multiply
    20,383,183.30x = 28,127,949.60 × 11,090,791.62
  4. Step 4: Simplify right side
    20,383,183.30x = 311,961,227,711,462.38
  5. Step 5: Solve for x
    x = 311,961,227,711,462.38/20,383,183.30
  6. Step 6: Final answer
    x = 15,304,833.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.