Home / 7,665,522.78-11,498,284.17-3,115,505.55

Finding the Fourth Proportional to 7,665,522.78, 11,498,284.17 and 3,115,505.55

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Solution

The fourth proportional to 7,665,522.78, 11,498,284.17 and 3,115,505.55 is: 4,673,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665,522.78 : 11,498,284.17 = 3,115,505.55 : x
  2. Step 2: Convert to fraction form
    7,665,522.78/11,498,284.17 = 3,115,505.55/x
  3. Step 3: Cross multiply
    7,665,522.78x = 11,498,284.17 × 3,115,505.55
  4. Step 4: Simplify right side
    7,665,522.78x = 35,822,968,147,112.14
  5. Step 5: Solve for x
    x = 35,822,968,147,112.14/7,665,522.78
  6. Step 6: Final answer
    x = 4,673,258.33

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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.