Home / 11,520,414.20-17,280,621.30-8,534,430.20

Finding the Fourth Proportional to 11,520,414.20, 17,280,621.30 and 8,534,430.20

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Solution

The fourth proportional to 11,520,414.20, 17,280,621.30 and 8,534,430.20 is: 12,801,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520,414.20 : 17,280,621.30 = 8,534,430.20 : x
  2. Step 2: Convert to fraction form
    11,520,414.20/17,280,621.30 = 8,534,430.20/x
  3. Step 3: Cross multiply
    11,520,414.20x = 17,280,621.30 × 8,534,430.20
  4. Step 4: Simplify right side
    11,520,414.20x = 147,480,256,297,483.25
  5. Step 5: Solve for x
    x = 147,480,256,297,483.25/11,520,414.20
  6. Step 6: Final answer
    x = 12,801,645.30

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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.