Home / 11,121,998.60-16,682,997.90-8,733,211.40

Finding the Fourth Proportional to 11,121,998.60, 16,682,997.90 and 8,733,211.40

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Solution

The fourth proportional to 11,121,998.60, 16,682,997.90 and 8,733,211.40 is: 13,099,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121,998.60 : 16,682,997.90 = 8,733,211.40 : x
  2. Step 2: Convert to fraction form
    11,121,998.60/16,682,997.90 = 8,733,211.40/x
  3. Step 3: Cross multiply
    11,121,998.60x = 16,682,997.90 × 8,733,211.40
  4. Step 4: Simplify right side
    11,121,998.60x = 145,696,147,446,456.06
  5. Step 5: Solve for x
    x = 145,696,147,446,456.06/11,121,998.60
  6. Step 6: Final answer
    x = 13,099,817.10

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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.