Home / 6,811,125.12-9,399,749.76-3,910,521.60

Finding the Fourth Proportional to 6,811,125.12, 9,399,749.76 and 3,910,521.60

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Solution

The fourth proportional to 6,811,125.12, 9,399,749.76 and 3,910,521.60 is: 5,396,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811,125.12 : 9,399,749.76 = 3,910,521.60 : x
  2. Step 2: Convert to fraction form
    6,811,125.12/9,399,749.76 = 3,910,521.60/x
  3. Step 3: Cross multiply
    6,811,125.12x = 9,399,749.76 × 3,910,521.60
  4. Step 4: Simplify right side
    6,811,125.12x = 36,757,924,471,074.81
  5. Step 5: Solve for x
    x = 36,757,924,471,074.81/6,811,125.12
  6. Step 6: Final answer
    x = 5,396,747.79

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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.