Home / 8,321,351.20-12,482,026.80-7,359,200.80

Finding the Fourth Proportional to 8,321,351.20, 12,482,026.80 and 7,359,200.80

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Solution

The fourth proportional to 8,321,351.20, 12,482,026.80 and 7,359,200.80 is: 11,038,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,351.20 : 12,482,026.80 = 7,359,200.80 : x
  2. Step 2: Convert to fraction form
    8,321,351.20/12,482,026.80 = 7,359,200.80/x
  3. Step 3: Cross multiply
    8,321,351.20x = 12,482,026.80 × 7,359,200.80
  4. Step 4: Simplify right side
    8,321,351.20x = 91,857,741,612,181.44
  5. Step 5: Solve for x
    x = 91,857,741,612,181.44/8,321,351.20
  6. Step 6: Final answer
    x = 11,038,801.20

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Double scale
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Similar ratio
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1.5x scale

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.