Home / 13,589,129.76-20,384,408.88-3,491,819.04

Finding the Fourth Proportional to 13,589,129.76, 20,384,408.88 and 3,491,819.04

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Solution

The fourth proportional to 13,589,129.76, 20,384,408.88 and 3,491,819.04 is: 5,237,912.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589,129.76 : 20,384,408.88 = 3,491,819.04 : x
  2. Step 2: Convert to fraction form
    13,589,129.76/20,384,408.88 = 3,491,819.04/x
  3. Step 3: Cross multiply
    13,589,129.76x = 20,384,408.88 × 3,491,819.04
  4. Step 4: Simplify right side
    13,589,129.76x = 71,178,667,046,329.08
  5. Step 5: Solve for x
    x = 71,178,667,046,329.08/13,589,129.76
  6. Step 6: Final answer
    x = 5,237,912.09

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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.