Home / 18,279,823.92-25,183,760.39-12,764,462.79

Finding the Fourth Proportional to 18,279,823.92, 25,183,760.39 and 12,764,462.79

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Solution

The fourth proportional to 18,279,823.92, 25,183,760.39 and 12,764,462.79 is: 17,585,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,823.92 : 25,183,760.39 = 12,764,462.79 : x
  2. Step 2: Convert to fraction form
    18,279,823.92/25,183,760.39 = 12,764,462.79/x
  3. Step 3: Cross multiply
    18,279,823.92x = 25,183,760.39 × 12,764,462.79
  4. Step 4: Simplify right side
    18,279,823.92x = 321,457,172,346,608.56
  5. Step 5: Solve for x
    x = 321,457,172,346,608.56/18,279,823.92
  6. Step 6: Final answer
    x = 17,585,353.87

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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.