Home / 11,778,277-17,667,416.74-3,691,251.60

Finding the Fourth Proportional to 11,778,277, 17,667,416.74 and 3,691,251.60

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Solution

The fourth proportional to 11,778,277, 17,667,416.74 and 3,691,251.60 is: 5,536,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778,277 : 17,667,416.74 = 3,691,251.60 : x
  2. Step 2: Convert to fraction form
    11,778,277/17,667,416.74 = 3,691,251.60/x
  3. Step 3: Cross multiply
    11,778,277x = 17,667,416.74 × 3,691,251.60
  4. Step 4: Simplify right side
    11,778,277x = 65,214,880,309,391.78
  5. Step 5: Solve for x
    x = 65,214,880,309,391.78/11,778,277
  6. Step 6: Final answer
    x = 5,536,877.79

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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.