Home / 11,121,971.10-16,682,956.65-8,733,183.90

Finding the Fourth Proportional to 11,121,971.10, 16,682,956.65 and 8,733,183.90

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Solution

The fourth proportional to 11,121,971.10, 16,682,956.65 and 8,733,183.90 is: 13,099,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121,971.10 : 16,682,956.65 = 8,733,183.90 : x
  2. Step 2: Convert to fraction form
    11,121,971.10/16,682,956.65 = 8,733,183.90/x
  3. Step 3: Cross multiply
    11,121,971.10x = 16,682,956.65 × 8,733,183.90
  4. Step 4: Simplify right side
    11,121,971.10x = 145,695,328,420,177.94
  5. Step 5: Solve for x
    x = 145,695,328,420,177.94/11,121,971.10
  6. Step 6: Final answer
    x = 13,099,775.85

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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.