Home / 13,806,084.92-20,715,227.56-7,239,225.64

Finding the Fourth Proportional to 13,806,084.92, 20,715,227.56 and 7,239,225.64

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Solution

The fourth proportional to 13,806,084.92, 20,715,227.56 and 7,239,225.64 is: 10,862,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806,084.92 : 20,715,227.56 = 7,239,225.64 : x
  2. Step 2: Convert to fraction form
    13,806,084.92/20,715,227.56 = 7,239,225.64/x
  3. Step 3: Cross multiply
    13,806,084.92x = 20,715,227.56 × 7,239,225.64
  4. Step 4: Simplify right side
    13,806,084.92x = 149,962,206,490,786.62
  5. Step 5: Solve for x
    x = 149,962,206,490,786.62/13,806,084.92
  6. Step 6: Final answer
    x = 10,862,037.09

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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.