Home / 12,099,524.20-18,149,286.30-8,698,301.80

Finding the Fourth Proportional to 12,099,524.20, 18,149,286.30 and 8,698,301.80

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Solution

The fourth proportional to 12,099,524.20, 18,149,286.30 and 8,698,301.80 is: 13,047,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,524.20 : 18,149,286.30 = 8,698,301.80 : x
  2. Step 2: Convert to fraction form
    12,099,524.20/18,149,286.30 = 8,698,301.80/x
  3. Step 3: Cross multiply
    12,099,524.20x = 18,149,286.30 × 8,698,301.80
  4. Step 4: Simplify right side
    12,099,524.20x = 157,867,969,692,005.38
  5. Step 5: Solve for x
    x = 157,867,969,692,005.38/12,099,524.20
  6. Step 6: Final answer
    x = 13,047,452.70

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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.