Home / 11,127,408.20-16,691,112.30-8,399,344.40

Finding the Fourth Proportional to 11,127,408.20, 16,691,112.30 and 8,399,344.40

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Solution

The fourth proportional to 11,127,408.20, 16,691,112.30 and 8,399,344.40 is: 12,599,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127,408.20 : 16,691,112.30 = 8,399,344.40 : x
  2. Step 2: Convert to fraction form
    11,127,408.20/16,691,112.30 = 8,399,344.40/x
  3. Step 3: Cross multiply
    11,127,408.20x = 16,691,112.30 × 8,399,344.40
  4. Step 4: Simplify right side
    11,127,408.20x = 140,194,400,626,776.12
  5. Step 5: Solve for x
    x = 140,194,400,626,776.12/11,127,408.20
  6. Step 6: Final answer
    x = 12,599,016.60

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Double scale
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Similar ratio
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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.