Home / 12,127,524.70-18,198,285.45-4,555,255.90

Finding the Fourth Proportional to 12,127,524.70, 18,198,285.45 and 4,555,255.90

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Solution

The fourth proportional to 12,127,524.70, 18,198,285.45 and 4,555,255.90 is: 6,835,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,524.70 : 18,198,285.45 = 4,555,255.90 : x
  2. Step 2: Convert to fraction form
    12,127,524.70/18,198,285.45 = 4,555,255.90/x
  3. Step 3: Cross multiply
    12,127,524.70x = 18,198,285.45 × 4,555,255.90
  4. Step 4: Simplify right side
    12,127,524.70x = 82,897,847,165,996.66
  5. Step 5: Solve for x
    x = 82,897,847,165,996.66/12,127,524.70
  6. Step 6: Final answer
    x = 6,835,512.54

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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.