Home / 10,125,319.20-15,198,652.08-9,896,821.92

Finding the Fourth Proportional to 10,125,319.20, 15,198,652.08 and 9,896,821.92

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Solution

The fourth proportional to 10,125,319.20, 15,198,652.08 and 9,896,821.92 is: 14,855,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,319.20 : 15,198,652.08 = 9,896,821.92 : x
  2. Step 2: Convert to fraction form
    10,125,319.20/15,198,652.08 = 9,896,821.92/x
  3. Step 3: Cross multiply
    10,125,319.20x = 15,198,652.08 × 9,896,821.92
  4. Step 4: Simplify right side
    10,125,319.20x = 150,418,353,059,797.59
  5. Step 5: Solve for x
    x = 150,418,353,059,797.59/10,125,319.20
  6. Step 6: Final answer
    x = 14,855,665.30

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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.