Home / 20,792,781.80-31,184,507.10-13,654,413.80

Finding the Fourth Proportional to 20,792,781.80, 31,184,507.10 and 13,654,413.80

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Solution

The fourth proportional to 20,792,781.80, 31,184,507.10 and 13,654,413.80 is: 20,478,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792,781.80 : 31,184,507.10 = 13,654,413.80 : x
  2. Step 2: Convert to fraction form
    20,792,781.80/31,184,507.10 = 13,654,413.80/x
  3. Step 3: Cross multiply
    20,792,781.80x = 31,184,507.10 × 13,654,413.80
  4. Step 4: Simplify right side
    20,792,781.80x = 425,806,164,092,438
  5. Step 5: Solve for x
    x = 425,806,164,092,438/20,792,781.80
  6. Step 6: Final answer
    x = 20,478,556.85

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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.