Home / 13,664,067.44-18,856,413.97-7,469,138.71

Finding the Fourth Proportional to 13,664,067.44, 18,856,413.97 and 7,469,138.71

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Solution

The fourth proportional to 13,664,067.44, 18,856,413.97 and 7,469,138.71 is: 10,307,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664,067.44 : 18,856,413.97 = 7,469,138.71 : x
  2. Step 2: Convert to fraction form
    13,664,067.44/18,856,413.97 = 7,469,138.71/x
  3. Step 3: Cross multiply
    13,664,067.44x = 18,856,413.97 × 7,469,138.71
  4. Step 4: Simplify right side
    13,664,067.44x = 140,841,171,413,942.12
  5. Step 5: Solve for x
    x = 140,841,171,413,942.12/13,664,067.44
  6. Step 6: Final answer
    x = 10,307,411.91

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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.