Home / 20,250,413.15-27,945,644.20-10,957,983.30

Finding the Fourth Proportional to 20,250,413.15, 27,945,644.20 and 10,957,983.30

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Solution

The fourth proportional to 20,250,413.15, 27,945,644.20 and 10,957,983.30 is: 15,122,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,413.15 : 27,945,644.20 = 10,957,983.30 : x
  2. Step 2: Convert to fraction form
    20,250,413.15/27,945,644.20 = 10,957,983.30/x
  3. Step 3: Cross multiply
    20,250,413.15x = 27,945,644.20 × 10,957,983.30
  4. Step 4: Simplify right side
    20,250,413.15x = 306,227,902,451,341.88
  5. Step 5: Solve for x
    x = 306,227,902,451,341.88/20,250,413.15
  6. Step 6: Final answer
    x = 15,122,057.03

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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.