Home / 8,383,599.60-12,575,399.40-7,320,717.60

Finding the Fourth Proportional to 8,383,599.60, 12,575,399.40 and 7,320,717.60

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Solution

The fourth proportional to 8,383,599.60, 12,575,399.40 and 7,320,717.60 is: 10,981,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383,599.60 : 12,575,399.40 = 7,320,717.60 : x
  2. Step 2: Convert to fraction form
    8,383,599.60/12,575,399.40 = 7,320,717.60/x
  3. Step 3: Cross multiply
    8,383,599.60x = 12,575,399.40 × 7,320,717.60
  4. Step 4: Simplify right side
    8,383,599.60x = 92,060,947,714,609.44
  5. Step 5: Solve for x
    x = 92,060,947,714,609.44/8,383,599.60
  6. Step 6: Final answer
    x = 10,981,076.40

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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.