Home / 6,667,388.40-10,001,082.60-6,561,100.20

Finding the Fourth Proportional to 6,667,388.40, 10,001,082.60 and 6,561,100.20

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Solution

The fourth proportional to 6,667,388.40, 10,001,082.60 and 6,561,100.20 is: 9,841,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667,388.40 : 10,001,082.60 = 6,561,100.20 : x
  2. Step 2: Convert to fraction form
    6,667,388.40/10,001,082.60 = 6,561,100.20/x
  3. Step 3: Cross multiply
    6,667,388.40x = 10,001,082.60 × 6,561,100.20
  4. Step 4: Simplify right side
    6,667,388.40x = 65,618,105,047,076.52
  5. Step 5: Solve for x
    x = 65,618,105,047,076.52/6,667,388.40
  6. Step 6: Final answer
    x = 9,841,650.30

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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.