Home / 14,520,086.20-21,780,129.30-12,252,604.60

Finding the Fourth Proportional to 14,520,086.20, 21,780,129.30 and 12,252,604.60

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Solution

The fourth proportional to 14,520,086.20, 21,780,129.30 and 12,252,604.60 is: 18,378,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,086.20 : 21,780,129.30 = 12,252,604.60 : x
  2. Step 2: Convert to fraction form
    14,520,086.20/21,780,129.30 = 12,252,604.60/x
  3. Step 3: Cross multiply
    14,520,086.20x = 21,780,129.30 × 12,252,604.60
  4. Step 4: Simplify right side
    14,520,086.20x = 266,863,312,449,774.78
  5. Step 5: Solve for x
    x = 266,863,312,449,774.78/14,520,086.20
  6. Step 6: Final answer
    x = 18,378,906.90

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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.