Home / 12,123,764.20-18,188,270.70-3,604,961.80

Finding the Fourth Proportional to 12,123,764.20, 18,188,270.70 and 3,604,961.80

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Solution

The fourth proportional to 12,123,764.20, 18,188,270.70 and 3,604,961.80 is: 5,408,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,764.20 : 18,188,270.70 = 3,604,961.80 : x
  2. Step 2: Convert to fraction form
    12,123,764.20/18,188,270.70 = 3,604,961.80/x
  3. Step 3: Cross multiply
    12,123,764.20x = 18,188,270.70 × 3,604,961.80
  4. Step 4: Simplify right side
    12,123,764.20x = 65,568,021,081,559.26
  5. Step 5: Solve for x
    x = 65,568,021,081,559.26/12,123,764.20
  6. Step 6: Final answer
    x = 5,408,223.06

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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.