Home / 8,321,796.80-12,482,695.20-5,487,444.80

Finding the Fourth Proportional to 8,321,796.80, 12,482,695.20 and 5,487,444.80

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Solution

The fourth proportional to 8,321,796.80, 12,482,695.20 and 5,487,444.80 is: 8,231,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,796.80 : 12,482,695.20 = 5,487,444.80 : x
  2. Step 2: Convert to fraction form
    8,321,796.80/12,482,695.20 = 5,487,444.80/x
  3. Step 3: Cross multiply
    8,321,796.80x = 12,482,695.20 × 5,487,444.80
  4. Step 4: Simplify right side
    8,321,796.80x = 68,498,100,865,224.95
  5. Step 5: Solve for x
    x = 68,498,100,865,224.95/8,321,796.80
  6. Step 6: Final answer
    x = 8,231,167.20

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Double scale
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Similar ratio
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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.