Home / 18,568,387.20-27,789,595.20-16,300,905.60

Finding the Fourth Proportional to 18,568,387.20, 27,789,595.20 and 16,300,905.60

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Solution

The fourth proportional to 18,568,387.20, 27,789,595.20 and 16,300,905.60 is: 24,396,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568,387.20 : 27,789,595.20 = 16,300,905.60 : x
  2. Step 2: Convert to fraction form
    18,568,387.20/27,789,595.20 = 16,300,905.60/x
  3. Step 3: Cross multiply
    18,568,387.20x = 27,789,595.20 × 16,300,905.60
  4. Step 4: Simplify right side
    18,568,387.20x = 452,995,568,017,413.12
  5. Step 5: Solve for x
    x = 452,995,568,017,413.12/18,568,387.20
  6. Step 6: Final answer
    x = 24,396,064.30

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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.