Home / 14,491,819.60-21,737,729.40-12,118,049.80

Finding the Fourth Proportional to 14,491,819.60, 21,737,729.40 and 12,118,049.80

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Solution

The fourth proportional to 14,491,819.60, 21,737,729.40 and 12,118,049.80 is: 18,177,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491,819.60 : 21,737,729.40 = 12,118,049.80 : x
  2. Step 2: Convert to fraction form
    14,491,819.60/21,737,729.40 = 12,118,049.80/x
  3. Step 3: Cross multiply
    14,491,819.60x = 21,737,729.40 × 12,118,049.80
  4. Step 4: Simplify right side
    14,491,819.60x = 263,418,887,408,124.12
  5. Step 5: Solve for x
    x = 263,418,887,408,124.12/14,491,819.60
  6. Step 6: Final answer
    x = 18,177,074.70

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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.