Home / 6,926,414.20-10,389,621.30-3,147,278.20

Finding the Fourth Proportional to 6,926,414.20, 10,389,621.30 and 3,147,278.20

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Solution

The fourth proportional to 6,926,414.20, 10,389,621.30 and 3,147,278.20 is: 4,720,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926,414.20 : 10,389,621.30 = 3,147,278.20 : x
  2. Step 2: Convert to fraction form
    6,926,414.20/10,389,621.30 = 3,147,278.20/x
  3. Step 3: Cross multiply
    6,926,414.20x = 10,389,621.30 × 3,147,278.20
  4. Step 4: Simplify right side
    6,926,414.20x = 32,699,028,623,745.66
  5. Step 5: Solve for x
    x = 32,699,028,623,745.66/6,926,414.20
  6. Step 6: Final answer
    x = 4,720,917.30

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Double scale
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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.