Home / 18,144,621.20-27,199,217.10-16,231,433.60

Finding the Fourth Proportional to 18,144,621.20, 27,199,217.10 and 16,231,433.60

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Solution

The fourth proportional to 18,144,621.20, 27,199,217.10 and 16,231,433.60 is: 24,331,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,621.20 : 27,199,217.10 = 16,231,433.60 : x
  2. Step 2: Convert to fraction form
    18,144,621.20/27,199,217.10 = 16,231,433.60/x
  3. Step 3: Cross multiply
    18,144,621.20x = 27,199,217.10 × 16,231,433.60
  4. Step 4: Simplify right side
    18,144,621.20x = 441,482,286,330,634.56
  5. Step 5: Solve for x
    x = 441,482,286,330,634.56/18,144,621.20
  6. Step 6: Final answer
    x = 24,331,303.56

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1.5x scale

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.