Home / 11,061,176.80-16,591,765.20-9,171,608.80

Finding the Fourth Proportional to 11,061,176.80, 16,591,765.20 and 9,171,608.80

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Solution

The fourth proportional to 11,061,176.80, 16,591,765.20 and 9,171,608.80 is: 13,757,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061,176.80 : 16,591,765.20 = 9,171,608.80 : x
  2. Step 2: Convert to fraction form
    11,061,176.80/16,591,765.20 = 9,171,608.80/x
  3. Step 3: Cross multiply
    11,061,176.80x = 16,591,765.20 × 9,171,608.80
  4. Step 4: Simplify right side
    11,061,176.80x = 152,173,179,715,853.75
  5. Step 5: Solve for x
    x = 152,173,179,715,853.75/11,061,176.80
  6. Step 6: Final answer
    x = 13,757,413.20

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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.