Home / 6,801,079.20-10,201,618.80-5,259,900.30

Finding the Fourth Proportional to 6,801,079.20, 10,201,618.80 and 5,259,900.30

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Solution

The fourth proportional to 6,801,079.20, 10,201,618.80 and 5,259,900.30 is: 7,889,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,801,079.20 : 10,201,618.80 = 5,259,900.30 : x
  2. Step 2: Convert to fraction form
    6,801,079.20/10,201,618.80 = 5,259,900.30/x
  3. Step 3: Cross multiply
    6,801,079.20x = 10,201,618.80 × 5,259,900.30
  4. Step 4: Simplify right side
    6,801,079.20x = 53,659,497,786,605.64
  5. Step 5: Solve for x
    x = 53,659,497,786,605.64/6,801,079.20
  6. Step 6: Final answer
    x = 7,889,850.45

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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.