Home / 12,236,731.54-18,363,183.04-5,761,658.78

Finding the Fourth Proportional to 12,236,731.54, 18,363,183.04 and 5,761,658.78

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Solution

The fourth proportional to 12,236,731.54, 18,363,183.04 and 5,761,658.78 is: 8,646,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,731.54 : 18,363,183.04 = 5,761,658.78 : x
  2. Step 2: Convert to fraction form
    12,236,731.54/18,363,183.04 = 5,761,658.78/x
  3. Step 3: Cross multiply
    12,236,731.54x = 18,363,183.04 × 5,761,658.78
  4. Step 4: Simplify right side
    12,236,731.54x = 105,802,394,791,163.09
  5. Step 5: Solve for x
    x = 105,802,394,791,163.09/12,236,731.54
  6. Step 6: Final answer
    x = 8,646,295.33

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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.