Home / 7,251,469.80-10,865,394.90-5,338,282.20

Finding the Fourth Proportional to 7,251,469.80, 10,865,394.90 and 5,338,282.20

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Solution

The fourth proportional to 7,251,469.80, 10,865,394.90 and 5,338,282.20 is: 7,998,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,469.80 : 10,865,394.90 = 5,338,282.20 : x
  2. Step 2: Convert to fraction form
    7,251,469.80/10,865,394.90 = 5,338,282.20/x
  3. Step 3: Cross multiply
    7,251,469.80x = 10,865,394.90 × 5,338,282.20
  4. Step 4: Simplify right side
    7,251,469.80x = 58,002,544,190,640.78
  5. Step 5: Solve for x
    x = 58,002,544,190,640.78/7,251,469.80
  6. Step 6: Final answer
    x = 7,998,729.33

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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.