Home / 12,281,164.80-18,423,129.60-3,761,433.60

Finding the Fourth Proportional to 12,281,164.80, 18,423,129.60 and 3,761,433.60

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Solution

The fourth proportional to 12,281,164.80, 18,423,129.60 and 3,761,433.60 is: 5,642,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281,164.80 : 18,423,129.60 = 3,761,433.60 : x
  2. Step 2: Convert to fraction form
    12,281,164.80/18,423,129.60 = 3,761,433.60/x
  3. Step 3: Cross multiply
    12,281,164.80x = 18,423,129.60 × 3,761,433.60
  4. Step 4: Simplify right side
    12,281,164.80x = 69,297,378,694,594.57
  5. Step 5: Solve for x
    x = 69,297,378,694,594.57/12,281,164.80
  6. Step 6: Final answer
    x = 5,642,573.80

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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.