Home / 10,984,449.20-16,479,784.20-3,412,180.40

Finding the Fourth Proportional to 10,984,449.20, 16,479,784.20 and 3,412,180.40

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Solution

The fourth proportional to 10,984,449.20, 16,479,784.20 and 3,412,180.40 is: 5,119,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984,449.20 : 16,479,784.20 = 3,412,180.40 : x
  2. Step 2: Convert to fraction form
    10,984,449.20/16,479,784.20 = 3,412,180.40/x
  3. Step 3: Cross multiply
    10,984,449.20x = 16,479,784.20 × 3,412,180.40
  4. Step 4: Simplify right side
    10,984,449.20x = 56,231,996,643,469.68
  5. Step 5: Solve for x
    x = 56,231,996,643,469.68/10,984,449.20
  6. Step 6: Final answer
    x = 5,119,236.81

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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.