Home / 11,904,660.80-17,861,138.40-5,177,902.40

Finding the Fourth Proportional to 11,904,660.80, 17,861,138.40 and 5,177,902.40

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Solution

The fourth proportional to 11,904,660.80, 17,861,138.40 and 5,177,902.40 is: 7,768,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904,660.80 : 17,861,138.40 = 5,177,902.40 : x
  2. Step 2: Convert to fraction form
    11,904,660.80/17,861,138.40 = 5,177,902.40/x
  3. Step 3: Cross multiply
    11,904,660.80x = 17,861,138.40 × 5,177,902.40
  4. Step 4: Simplify right side
    11,904,660.80x = 92,483,231,388,092.16
  5. Step 5: Solve for x
    x = 92,483,231,388,092.16/11,904,660.80
  6. Step 6: Final answer
    x = 7,768,657.41

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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.