Home / 13,664,809.92-18,857,434.86-7,469,882.67

Finding the Fourth Proportional to 13,664,809.92, 18,857,434.86 and 7,469,882.67

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Solution

The fourth proportional to 13,664,809.92, 18,857,434.86 and 7,469,882.67 is: 10,308,436.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664,809.92 : 18,857,434.86 = 7,469,882.67 : x
  2. Step 2: Convert to fraction form
    13,664,809.92/18,857,434.86 = 7,469,882.67/x
  3. Step 3: Cross multiply
    13,664,809.92x = 18,857,434.86 × 7,469,882.67
  4. Step 4: Simplify right side
    13,664,809.92x = 140,862,825,861,367.88
  5. Step 5: Solve for x
    x = 140,862,825,861,367.88/13,664,809.92
  6. Step 6: Final answer
    x = 10,308,436.54

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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.