Home / 11,920,919.60-17,888,766.60-6,245,217.20

Finding the Fourth Proportional to 11,920,919.60, 17,888,766.60 and 6,245,217.20

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Solution

The fourth proportional to 11,920,919.60, 17,888,766.60 and 6,245,217.20 is: 9,371,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920,919.60 : 17,888,766.60 = 6,245,217.20 : x
  2. Step 2: Convert to fraction form
    11,920,919.60/17,888,766.60 = 6,245,217.20/x
  3. Step 3: Cross multiply
    11,920,919.60x = 17,888,766.60 × 6,245,217.20
  4. Step 4: Simplify right side
    11,920,919.60x = 111,719,232,857,105.53
  5. Step 5: Solve for x
    x = 111,719,232,857,105.53/11,920,919.60
  6. Step 6: Final answer
    x = 9,371,695.86

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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.