Home / 8,917,660.80-13,376,491.20-5,327,481.60

Finding the Fourth Proportional to 8,917,660.80, 13,376,491.20 and 5,327,481.60

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Solution

The fourth proportional to 8,917,660.80, 13,376,491.20 and 5,327,481.60 is: 7,991,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,660.80 : 13,376,491.20 = 5,327,481.60 : x
  2. Step 2: Convert to fraction form
    8,917,660.80/13,376,491.20 = 5,327,481.60/x
  3. Step 3: Cross multiply
    8,917,660.80x = 13,376,491.20 × 5,327,481.60
  4. Step 4: Simplify right side
    8,917,660.80x = 71,263,010,740,561.91
  5. Step 5: Solve for x
    x = 71,263,010,740,561.91/8,917,660.80
  6. Step 6: Final answer
    x = 7,991,222.40

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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.