Home / 11,069,909.20-16,607,974.20-5,390,318.80

Finding the Fourth Proportional to 11,069,909.20, 16,607,974.20 and 5,390,318.80

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Solution

The fourth proportional to 11,069,909.20, 16,607,974.20 and 5,390,318.80 is: 8,086,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069,909.20 : 16,607,974.20 = 5,390,318.80 : x
  2. Step 2: Convert to fraction form
    11,069,909.20/16,607,974.20 = 5,390,318.80/x
  3. Step 3: Cross multiply
    11,069,909.20x = 16,607,974.20 × 5,390,318.80
  4. Step 4: Simplify right side
    11,069,909.20x = 89,522,275,560,174.95
  5. Step 5: Solve for x
    x = 89,522,275,560,174.95/11,069,909.20
  6. Step 6: Final answer
    x = 8,086,992.76

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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.