Home / 16,731,419.20-25,113,717.60-8,221,364.80

Finding the Fourth Proportional to 16,731,419.20, 25,113,717.60 and 8,221,364.80

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Solution

The fourth proportional to 16,731,419.20, 25,113,717.60 and 8,221,364.80 is: 12,340,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731,419.20 : 25,113,717.60 = 8,221,364.80 : x
  2. Step 2: Convert to fraction form
    16,731,419.20/25,113,717.60 = 8,221,364.80/x
  3. Step 3: Cross multiply
    16,731,419.20x = 25,113,717.60 × 8,221,364.80
  4. Step 4: Simplify right side
    16,731,419.20x = 206,469,033,873,780.50
  5. Step 5: Solve for x
    x = 206,469,033,873,780.50/16,731,419.20
  6. Step 6: Final answer
    x = 12,340,198.49

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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.