Home / 10,942,960.06-15,103,367.49-7,215,233.14

Finding the Fourth Proportional to 10,942,960.06, 15,103,367.49 and 7,215,233.14

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Solution

The fourth proportional to 10,942,960.06, 15,103,367.49 and 7,215,233.14 is: 9,958,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942,960.06 : 15,103,367.49 = 7,215,233.14 : x
  2. Step 2: Convert to fraction form
    10,942,960.06/15,103,367.49 = 7,215,233.14/x
  3. Step 3: Cross multiply
    10,942,960.06x = 15,103,367.49 × 7,215,233.14
  4. Step 4: Simplify right side
    10,942,960.06x = 108,974,317,639,446.61
  5. Step 5: Solve for x
    x = 108,974,317,639,446.61/10,942,960.06
  6. Step 6: Final answer
    x = 9,958,394.90

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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.