Home / 10,291,343.57-15,438,439.30-3,469,867.77

Finding the Fourth Proportional to 10,291,343.57, 15,438,439.30 and 3,469,867.77

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Solution

The fourth proportional to 10,291,343.57, 15,438,439.30 and 3,469,867.77 is: 5,205,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291,343.57 : 15,438,439.30 = 3,469,867.77 : x
  2. Step 2: Convert to fraction form
    10,291,343.57/15,438,439.30 = 3,469,867.77/x
  3. Step 3: Cross multiply
    10,291,343.57x = 15,438,439.30 × 3,469,867.77
  4. Step 4: Simplify right side
    10,291,343.57x = 53,569,343,016,536.22
  5. Step 5: Solve for x
    x = 53,569,343,016,536.22/10,291,343.57
  6. Step 6: Final answer
    x = 5,205,281.76

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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.