Home / 13,805,998.20-20,708,997.30-11,680,234.20

Finding the Fourth Proportional to 13,805,998.20, 20,708,997.30 and 11,680,234.20

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Solution

The fourth proportional to 13,805,998.20, 20,708,997.30 and 11,680,234.20 is: 17,520,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805,998.20 : 20,708,997.30 = 11,680,234.20 : x
  2. Step 2: Convert to fraction form
    13,805,998.20/20,708,997.30 = 11,680,234.20/x
  3. Step 3: Cross multiply
    13,805,998.20x = 20,708,997.30 × 11,680,234.20
  4. Step 4: Simplify right side
    13,805,998.20x = 241,885,938,511,167.66
  5. Step 5: Solve for x
    x = 241,885,938,511,167.66/13,805,998.20
  6. Step 6: Final answer
    x = 17,520,351.30

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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.