Home / 6,820,769.12-9,412,659.96-3,764,982.56

Finding the Fourth Proportional to 6,820,769.12, 9,412,659.96 and 3,764,982.56

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Solution

The fourth proportional to 6,820,769.12, 9,412,659.96 and 3,764,982.56 is: 5,195,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820,769.12 : 9,412,659.96 = 3,764,982.56 : x
  2. Step 2: Convert to fraction form
    6,820,769.12/9,412,659.96 = 3,764,982.56/x
  3. Step 3: Cross multiply
    6,820,769.12x = 9,412,659.96 × 3,764,982.56
  4. Step 4: Simplify right side
    6,820,769.12x = 35,438,500,592,610.30
  5. Step 5: Solve for x
    x = 35,438,500,592,610.30/6,820,769.12
  6. Step 6: Final answer
    x = 5,195,675.15

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1.5x scale

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.