Home / 13,494,621.60-20,241,932.40-12,192,919.20

Finding the Fourth Proportional to 13,494,621.60, 20,241,932.40 and 12,192,919.20

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Solution

The fourth proportional to 13,494,621.60, 20,241,932.40 and 12,192,919.20 is: 18,289,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,621.60 : 20,241,932.40 = 12,192,919.20 : x
  2. Step 2: Convert to fraction form
    13,494,621.60/20,241,932.40 = 12,192,919.20/x
  3. Step 3: Cross multiply
    13,494,621.60x = 20,241,932.40 × 12,192,919.20
  4. Step 4: Simplify right side
    13,494,621.60x = 246,808,246,205,062.03
  5. Step 5: Solve for x
    x = 246,808,246,205,062.03/13,494,621.60
  6. Step 6: Final answer
    x = 18,289,378.80

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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.