Home / 11,923,659.20-17,864,493.60-9,782,148.80

Finding the Fourth Proportional to 11,923,659.20, 17,864,493.60 and 9,782,148.80

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Solution

The fourth proportional to 11,923,659.20, 17,864,493.60 and 9,782,148.80 is: 14,655,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923,659.20 : 17,864,493.60 = 9,782,148.80 : x
  2. Step 2: Convert to fraction form
    11,923,659.20/17,864,493.60 = 9,782,148.80/x
  3. Step 3: Cross multiply
    11,923,659.20x = 17,864,493.60 × 9,782,148.80
  4. Step 4: Simplify right side
    11,923,659.20x = 174,753,134,631,847.72
  5. Step 5: Solve for x
    x = 174,753,134,631,847.72/11,923,659.20
  6. Step 6: Final answer
    x = 14,655,998.78

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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.