Home / 6,238,682.20-9,358,023.30-5,388,376.60

Finding the Fourth Proportional to 6,238,682.20, 9,358,023.30 and 5,388,376.60

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Solution

The fourth proportional to 6,238,682.20, 9,358,023.30 and 5,388,376.60 is: 8,082,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238,682.20 : 9,358,023.30 = 5,388,376.60 : x
  2. Step 2: Convert to fraction form
    6,238,682.20/9,358,023.30 = 5,388,376.60/x
  3. Step 3: Cross multiply
    6,238,682.20x = 9,358,023.30 × 5,388,376.60
  4. Step 4: Simplify right side
    6,238,682.20x = 50,424,553,771,974.78
  5. Step 5: Solve for x
    x = 50,424,553,771,974.78/6,238,682.20
  6. Step 6: Final answer
    x = 8,082,564.90

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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.