Home / 13,612,796.20-20,394,311.10-11,074,709.80

Finding the Fourth Proportional to 13,612,796.20, 20,394,311.10 and 11,074,709.80

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Solution

The fourth proportional to 13,612,796.20, 20,394,311.10 and 11,074,709.80 is: 16,591,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,796.20 : 20,394,311.10 = 11,074,709.80 : x
  2. Step 2: Convert to fraction form
    13,612,796.20/20,394,311.10 = 11,074,709.80/x
  3. Step 3: Cross multiply
    13,612,796.20x = 20,394,311.10 × 11,074,709.80
  4. Step 4: Simplify right side
    13,612,796.20x = 225,861,077,003,418.81
  5. Step 5: Solve for x
    x = 225,861,077,003,418.81/13,612,796.20
  6. Step 6: Final answer
    x = 16,591,820.94

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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.