Home / 5,165,614.74-7,138,380.01-3,874,213.11

Finding the Fourth Proportional to 5,165,614.74, 7,138,380.01 and 3,874,213.11

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Solution

The fourth proportional to 5,165,614.74, 7,138,380.01 and 3,874,213.11 is: 5,353,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165,614.74 : 7,138,380.01 = 3,874,213.11 : x
  2. Step 2: Convert to fraction form
    5,165,614.74/7,138,380.01 = 3,874,213.11/x
  3. Step 3: Cross multiply
    5,165,614.74x = 7,138,380.01 × 3,874,213.11
  4. Step 4: Simplify right side
    5,165,614.74x = 27,655,605,418,903.93
  5. Step 5: Solve for x
    x = 27,655,605,418,903.93/5,165,614.74
  6. Step 6: Final answer
    x = 5,353,787.85

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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.