Home / 13,612,206.60-20,418,309.90-12,352,494.60

Finding the Fourth Proportional to 13,612,206.60, 20,418,309.90 and 12,352,494.60

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Solution

The fourth proportional to 13,612,206.60, 20,418,309.90 and 12,352,494.60 is: 18,528,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,206.60 : 20,418,309.90 = 12,352,494.60 : x
  2. Step 2: Convert to fraction form
    13,612,206.60/20,418,309.90 = 12,352,494.60/x
  3. Step 3: Cross multiply
    13,612,206.60x = 20,418,309.90 × 12,352,494.60
  4. Step 4: Simplify right side
    13,612,206.60x = 252,217,062,780,876.50
  5. Step 5: Solve for x
    x = 252,217,062,780,876.50/13,612,206.60
  6. Step 6: Final answer
    x = 18,528,741.90

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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.