Home / 8,193,608.80-12,290,413.20-3,942,080.80

Finding the Fourth Proportional to 8,193,608.80, 12,290,413.20 and 3,942,080.80

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Solution

The fourth proportional to 8,193,608.80, 12,290,413.20 and 3,942,080.80 is: 5,913,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193,608.80 : 12,290,413.20 = 3,942,080.80 : x
  2. Step 2: Convert to fraction form
    8,193,608.80/12,290,413.20 = 3,942,080.80/x
  3. Step 3: Cross multiply
    8,193,608.80x = 12,290,413.20 × 3,942,080.80
  4. Step 4: Simplify right side
    8,193,608.80x = 48,449,801,899,786.55
  5. Step 5: Solve for x
    x = 48,449,801,899,786.55/8,193,608.80
  6. Step 6: Final answer
    x = 5,913,121.20

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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.