Home / 20,181,245.72-30,281,316.40-8,820,218.12

Finding the Fourth Proportional to 20,181,245.72, 30,281,316.40 and 8,820,218.12

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Solution

The fourth proportional to 20,181,245.72, 30,281,316.40 and 8,820,218.12 is: 13,234,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,245.72 : 30,281,316.40 = 8,820,218.12 : x
  2. Step 2: Convert to fraction form
    20,181,245.72/30,281,316.40 = 8,820,218.12/x
  3. Step 3: Cross multiply
    20,181,245.72x = 30,281,316.40 × 8,820,218.12
  4. Step 4: Simplify right side
    20,181,245.72x = 267,087,815,608,733.12
  5. Step 5: Solve for x
    x = 267,087,815,608,733.12/20,181,245.72
  6. Step 6: Final answer
    x = 13,234,456.35

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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.