Home / 11,722,668.80-17,584,003.20-8,321,446.40

Finding the Fourth Proportional to 11,722,668.80, 17,584,003.20 and 8,321,446.40

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Solution

The fourth proportional to 11,722,668.80, 17,584,003.20 and 8,321,446.40 is: 12,482,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722,668.80 : 17,584,003.20 = 8,321,446.40 : x
  2. Step 2: Convert to fraction form
    11,722,668.80/17,584,003.20 = 8,321,446.40/x
  3. Step 3: Cross multiply
    11,722,668.80x = 17,584,003.20 × 8,321,446.40
  4. Step 4: Simplify right side
    11,722,668.80x = 146,324,340,126,228.47
  5. Step 5: Solve for x
    x = 146,324,340,126,228.47/11,722,668.80
  6. Step 6: Final answer
    x = 12,482,169.60

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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.