Home / 22,815,205.75-31,484,983.94-13,157,413.75

Finding the Fourth Proportional to 22,815,205.75, 31,484,983.94 and 13,157,413.75

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Solution

The fourth proportional to 22,815,205.75, 31,484,983.94 and 13,157,413.75 is: 18,157,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815,205.75 : 31,484,983.94 = 13,157,413.75 : x
  2. Step 2: Convert to fraction form
    22,815,205.75/31,484,983.94 = 13,157,413.75/x
  3. Step 3: Cross multiply
    22,815,205.75x = 31,484,983.94 × 13,157,413.75
  4. Step 4: Simplify right side
    22,815,205.75x = 414,260,960,610,685.19
  5. Step 5: Solve for x
    x = 414,260,960,610,685.19/22,815,205.75
  6. Step 6: Final answer
    x = 18,157,230.98

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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.