Home / 8,981,556.20-13,472,334.30-8,288,714.60

Finding the Fourth Proportional to 8,981,556.20, 13,472,334.30 and 8,288,714.60

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Solution

The fourth proportional to 8,981,556.20, 13,472,334.30 and 8,288,714.60 is: 12,433,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981,556.20 : 13,472,334.30 = 8,288,714.60 : x
  2. Step 2: Convert to fraction form
    8,981,556.20/13,472,334.30 = 8,288,714.60/x
  3. Step 3: Cross multiply
    8,981,556.20x = 13,472,334.30 × 8,288,714.60
  4. Step 4: Simplify right side
    8,981,556.20x = 111,668,334,008,490.78
  5. Step 5: Solve for x
    x = 111,668,334,008,490.78/8,981,556.20
  6. Step 6: Final answer
    x = 12,433,071.90

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Double scale
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Similar ratio
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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.