Home / 21,781,486.20-32,672,229.30-8,997,742.20

Finding the Fourth Proportional to 21,781,486.20, 32,672,229.30 and 8,997,742.20

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Solution

The fourth proportional to 21,781,486.20, 32,672,229.30 and 8,997,742.20 is: 13,496,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,486.20 : 32,672,229.30 = 8,997,742.20 : x
  2. Step 2: Convert to fraction form
    21,781,486.20/32,672,229.30 = 8,997,742.20/x
  3. Step 3: Cross multiply
    21,781,486.20x = 32,672,229.30 × 8,997,742.20
  4. Step 4: Simplify right side
    21,781,486.20x = 293,976,296,340,686.44
  5. Step 5: Solve for x
    x = 293,976,296,340,686.44/21,781,486.20
  6. Step 6: Final answer
    x = 13,496,613.30

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Double scale
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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.