Home / 10,930,449.20-16,405,588.20-5,542,847.60

Finding the Fourth Proportional to 10,930,449.20, 16,405,588.20 and 5,542,847.60

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Solution

The fourth proportional to 10,930,449.20, 16,405,588.20 and 5,542,847.60 is: 8,319,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930,449.20 : 16,405,588.20 = 5,542,847.60 : x
  2. Step 2: Convert to fraction form
    10,930,449.20/16,405,588.20 = 5,542,847.60/x
  3. Step 3: Cross multiply
    10,930,449.20x = 16,405,588.20 × 5,542,847.60
  4. Step 4: Simplify right side
    10,930,449.20x = 90,933,675,180,958.31
  5. Step 5: Solve for x
    x = 90,933,675,180,958.31/10,930,449.20
  6. Step 6: Final answer
    x = 8,319,299.01

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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.