Home / 8,198,671.82-11,314,171.41-4,477,553.78

Finding the Fourth Proportional to 8,198,671.82, 11,314,171.41 and 4,477,553.78

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Solution

The fourth proportional to 8,198,671.82, 11,314,171.41 and 4,477,553.78 is: 6,179,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,671.82 : 11,314,171.41 = 4,477,553.78 : x
  2. Step 2: Convert to fraction form
    8,198,671.82/11,314,171.41 = 4,477,553.78/x
  3. Step 3: Cross multiply
    8,198,671.82x = 11,314,171.41 × 4,477,553.78
  4. Step 4: Simplify right side
    8,198,671.82x = 50,659,810,964,413.43
  5. Step 5: Solve for x
    x = 50,659,810,964,413.43/8,198,671.82
  6. Step 6: Final answer
    x = 6,179,026.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.