Home / 11,451,340.80-17,177,011.20-5,479,372.80

Finding the Fourth Proportional to 11,451,340.80, 17,177,011.20 and 5,479,372.80

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Solution

The fourth proportional to 11,451,340.80, 17,177,011.20 and 5,479,372.80 is: 8,219,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451,340.80 : 17,177,011.20 = 5,479,372.80 : x
  2. Step 2: Convert to fraction form
    11,451,340.80/17,177,011.20 = 5,479,372.80/x
  3. Step 3: Cross multiply
    11,451,340.80x = 17,177,011.20 × 5,479,372.80
  4. Step 4: Simplify right side
    11,451,340.80x = 94,119,247,954,575.36
  5. Step 5: Solve for x
    x = 94,119,247,954,575.36/11,451,340.80
  6. Step 6: Final answer
    x = 8,219,059.20

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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.