Home / 18,372,213.90-27,558,320.85-12,632,651.10

Finding the Fourth Proportional to 18,372,213.90, 27,558,320.85 and 12,632,651.10

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Solution

The fourth proportional to 18,372,213.90, 27,558,320.85 and 12,632,651.10 is: 18,948,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,213.90 : 27,558,320.85 = 12,632,651.10 : x
  2. Step 2: Convert to fraction form
    18,372,213.90/27,558,320.85 = 12,632,651.10/x
  3. Step 3: Cross multiply
    18,372,213.90x = 27,558,320.85 × 12,632,651.10
  4. Step 4: Simplify right side
    18,372,213.90x = 348,134,652,199,905.44
  5. Step 5: Solve for x
    x = 348,134,652,199,905.44/18,372,213.90
  6. Step 6: Final answer
    x = 18,948,976.65

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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.