Home / 7,778,015.40-11,667,023.10-7,305,234.60

Finding the Fourth Proportional to 7,778,015.40, 11,667,023.10 and 7,305,234.60

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Solution

The fourth proportional to 7,778,015.40, 11,667,023.10 and 7,305,234.60 is: 10,957,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,015.40 : 11,667,023.10 = 7,305,234.60 : x
  2. Step 2: Convert to fraction form
    7,778,015.40/11,667,023.10 = 7,305,234.60/x
  3. Step 3: Cross multiply
    7,778,015.40x = 11,667,023.10 × 7,305,234.60
  4. Step 4: Simplify right side
    7,778,015.40x = 85,230,340,829,119.25
  5. Step 5: Solve for x
    x = 85,230,340,829,119.25/7,778,015.40
  6. Step 6: Final answer
    x = 10,957,851.90

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Similar ratio
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1.5x scale

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.