Home / 11,985,640.92-17,991,255.40-5,165,579.88

Finding the Fourth Proportional to 11,985,640.92, 17,991,255.40 and 5,165,579.88

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Solution

The fourth proportional to 11,985,640.92, 17,991,255.40 and 5,165,579.88 is: 7,753,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985,640.92 : 17,991,255.40 = 5,165,579.88 : x
  2. Step 2: Convert to fraction form
    11,985,640.92/17,991,255.40 = 5,165,579.88/x
  3. Step 3: Cross multiply
    11,985,640.92x = 17,991,255.40 × 5,165,579.88
  4. Step 4: Simplify right side
    11,985,640.92x = 92,935,266,910,181.34
  5. Step 5: Solve for x
    x = 92,935,266,910,181.34/11,985,640.92
  6. Step 6: Final answer
    x = 7,753,883.80

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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.