Home / 8,040,115.35-12,057,581.43-2,647,481.90

Finding the Fourth Proportional to 8,040,115.35, 12,057,581.43 and 2,647,481.90

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Solution

The fourth proportional to 8,040,115.35, 12,057,581.43 and 2,647,481.90 is: 3,970,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040,115.35 : 12,057,581.43 = 2,647,481.90 : x
  2. Step 2: Convert to fraction form
    8,040,115.35/12,057,581.43 = 2,647,481.90/x
  3. Step 3: Cross multiply
    8,040,115.35x = 12,057,581.43 × 2,647,481.90
  4. Step 4: Simplify right side
    8,040,115.35x = 31,922,228,533,413.21
  5. Step 5: Solve for x
    x = 31,922,228,533,413.21/8,040,115.35
  6. Step 6: Final answer
    x = 3,970,369.47

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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.