Home / 11,142,073.22-16,691,589.48-8,219,016.50

Finding the Fourth Proportional to 11,142,073.22, 16,691,589.48 and 8,219,016.50

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Solution

The fourth proportional to 11,142,073.22, 16,691,589.48 and 8,219,016.50 is: 12,312,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,073.22 : 16,691,589.48 = 8,219,016.50 : x
  2. Step 2: Convert to fraction form
    11,142,073.22/16,691,589.48 = 8,219,016.50/x
  3. Step 3: Cross multiply
    11,142,073.22x = 16,691,589.48 × 8,219,016.50
  4. Step 4: Simplify right side
    11,142,073.22x = 137,188,449,347,346.42
  5. Step 5: Solve for x
    x = 137,188,449,347,346.42/11,142,073.22
  6. Step 6: Final answer
    x = 12,312,650.14

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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.