Home / 12,220,451.28-18,302,753.88-5,835,175.92

Finding the Fourth Proportional to 12,220,451.28, 18,302,753.88 and 5,835,175.92

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Solution

The fourth proportional to 12,220,451.28, 18,302,753.88 and 5,835,175.92 is: 8,739,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,451.28 : 18,302,753.88 = 5,835,175.92 : x
  2. Step 2: Convert to fraction form
    12,220,451.28/18,302,753.88 = 5,835,175.92/x
  3. Step 3: Cross multiply
    12,220,451.28x = 18,302,753.88 × 5,835,175.92
  4. Step 4: Simplify right side
    12,220,451.28x = 106,799,788,710,262.56
  5. Step 5: Solve for x
    x = 106,799,788,710,262.56/12,220,451.28
  6. Step 6: Final answer
    x = 8,739,430.83

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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.