Home / 11,892,873.53-16,412,616.60-6,665,978.30

Finding the Fourth Proportional to 11,892,873.53, 16,412,616.60 and 6,665,978.30

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Solution

The fourth proportional to 11,892,873.53, 16,412,616.60 and 6,665,978.30 is: 9,199,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892,873.53 : 16,412,616.60 = 6,665,978.30 : x
  2. Step 2: Convert to fraction form
    11,892,873.53/16,412,616.60 = 6,665,978.30/x
  3. Step 3: Cross multiply
    11,892,873.53x = 16,412,616.60 × 6,665,978.30
  4. Step 4: Simplify right side
    11,892,873.53x = 109,406,146,101,819.78
  5. Step 5: Solve for x
    x = 109,406,146,101,819.78/11,892,873.53
  6. Step 6: Final answer
    x = 9,199,302.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.