Home / 10,881,608.80-16,322,413.20-9,201,992.80

Finding the Fourth Proportional to 10,881,608.80, 16,322,413.20 and 9,201,992.80

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Solution

The fourth proportional to 10,881,608.80, 16,322,413.20 and 9,201,992.80 is: 13,802,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,608.80 : 16,322,413.20 = 9,201,992.80 : x
  2. Step 2: Convert to fraction form
    10,881,608.80/16,322,413.20 = 9,201,992.80/x
  3. Step 3: Cross multiply
    10,881,608.80x = 16,322,413.20 × 9,201,992.80
  4. Step 4: Simplify right side
    10,881,608.80x = 150,198,728,745,024.97
  5. Step 5: Solve for x
    x = 150,198,728,745,024.97/10,881,608.80
  6. Step 6: Final answer
    x = 13,802,989.20

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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.