Home / 20,111,608.80-30,167,413.20-6,648,436.80

Finding the Fourth Proportional to 20,111,608.80, 30,167,413.20 and 6,648,436.80

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Solution

The fourth proportional to 20,111,608.80, 30,167,413.20 and 6,648,436.80 is: 9,972,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,608.80 : 30,167,413.20 = 6,648,436.80 : x
  2. Step 2: Convert to fraction form
    20,111,608.80/30,167,413.20 = 6,648,436.80/x
  3. Step 3: Cross multiply
    20,111,608.80x = 30,167,413.20 × 6,648,436.80
  4. Step 4: Simplify right side
    20,111,608.80x = 200,566,140,079,685.75
  5. Step 5: Solve for x
    x = 200,566,140,079,685.75/20,111,608.80
  6. Step 6: Final answer
    x = 9,972,655.20

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1.5x scale

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.