Home / 11,086,363.20-16,632,655.20-5,406,772.80

Finding the Fourth Proportional to 11,086,363.20, 16,632,655.20 and 5,406,772.80

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Solution

The fourth proportional to 11,086,363.20, 16,632,655.20 and 5,406,772.80 is: 8,111,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086,363.20 : 16,632,655.20 = 5,406,772.80 : x
  2. Step 2: Convert to fraction form
    11,086,363.20/16,632,655.20 = 5,406,772.80/x
  3. Step 3: Cross multiply
    11,086,363.20x = 16,632,655.20 × 5,406,772.80
  4. Step 4: Simplify right side
    11,086,363.20x = 89,928,987,727,138.55
  5. Step 5: Solve for x
    x = 89,928,987,727,138.55/11,086,363.20
  6. Step 6: Final answer
    x = 8,111,676.13

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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.