Home / 11,801,101.90-17,701,652.85-8,147,937.10

Finding the Fourth Proportional to 11,801,101.90, 17,701,652.85 and 8,147,937.10

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Solution

The fourth proportional to 11,801,101.90, 17,701,652.85 and 8,147,937.10 is: 12,221,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801,101.90 : 17,701,652.85 = 8,147,937.10 : x
  2. Step 2: Convert to fraction form
    11,801,101.90/17,701,652.85 = 8,147,937.10/x
  3. Step 3: Cross multiply
    11,801,101.90x = 17,701,652.85 × 8,147,937.10
  4. Step 4: Simplify right side
    11,801,101.90x = 144,231,953,987,835.75
  5. Step 5: Solve for x
    x = 144,231,953,987,835.75/11,801,101.90
  6. Step 6: Final answer
    x = 12,221,905.65

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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.