Home / 7,193,549.76-9,926,981.28-3,930,294.24

Finding the Fourth Proportional to 7,193,549.76, 9,926,981.28 and 3,930,294.24

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Solution

The fourth proportional to 7,193,549.76, 9,926,981.28 and 3,930,294.24 is: 5,423,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193,549.76 : 9,926,981.28 = 3,930,294.24 : x
  2. Step 2: Convert to fraction form
    7,193,549.76/9,926,981.28 = 3,930,294.24/x
  3. Step 3: Cross multiply
    7,193,549.76x = 9,926,981.28 × 3,930,294.24
  4. Step 4: Simplify right side
    7,193,549.76x = 39,015,957,345,371.83
  5. Step 5: Solve for x
    x = 39,015,957,345,371.83/7,193,549.76
  6. Step 6: Final answer
    x = 5,423,741.91

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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.