Home / 7,987,629.60-11,981,495.60-3,195,719.20

Finding the Fourth Proportional to 7,987,629.60, 11,981,495.60 and 3,195,719.20

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Solution

The fourth proportional to 7,987,629.60, 11,981,495.60 and 3,195,719.20 is: 4,793,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,629.60 : 11,981,495.60 = 3,195,719.20 : x
  2. Step 2: Convert to fraction form
    7,987,629.60/11,981,495.60 = 3,195,719.20/x
  3. Step 3: Cross multiply
    7,987,629.60x = 11,981,495.60 × 3,195,719.20
  4. Step 4: Simplify right side
    7,987,629.60x = 38,289,495,533,635.52
  5. Step 5: Solve for x
    x = 38,289,495,533,635.52/7,987,629.60
  6. Step 6: Final answer
    x = 4,793,599.28

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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.