Home / 10,125,321.20-15,198,655.08-9,896,823.92

Finding the Fourth Proportional to 10,125,321.20, 15,198,655.08 and 9,896,823.92

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Solution

The fourth proportional to 10,125,321.20, 15,198,655.08 and 9,896,823.92 is: 14,855,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,321.20 : 15,198,655.08 = 9,896,823.92 : x
  2. Step 2: Convert to fraction form
    10,125,321.20/15,198,655.08 = 9,896,823.92/x
  3. Step 3: Cross multiply
    10,125,321.20x = 15,198,655.08 × 9,896,823.92
  4. Step 4: Simplify right side
    10,125,321.20x = 150,418,413,147,573.50
  5. Step 5: Solve for x
    x = 150,418,413,147,573.50/10,125,321.20
  6. Step 6: Final answer
    x = 14,855,668.30

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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.