Home / 13,491,974.62-18,618,924.72-7,297,021.18

Finding the Fourth Proportional to 13,491,974.62, 18,618,924.72 and 7,297,021.18

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Solution

The fourth proportional to 13,491,974.62, 18,618,924.72 and 7,297,021.18 is: 10,069,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491,974.62 : 18,618,924.72 = 7,297,021.18 : x
  2. Step 2: Convert to fraction form
    13,491,974.62/18,618,924.72 = 7,297,021.18/x
  3. Step 3: Cross multiply
    13,491,974.62x = 18,618,924.72 × 7,297,021.18
  4. Step 4: Simplify right side
    13,491,974.62x = 135,862,688,040,257.33
  5. Step 5: Solve for x
    x = 135,862,688,040,257.33/13,491,974.62
  6. Step 6: Final answer
    x = 10,069,889.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.