Home / 12,396,940.72-18,541,021.30-11,040,281.74

Finding the Fourth Proportional to 12,396,940.72, 18,541,021.30 and 11,040,281.74

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Solution

The fourth proportional to 12,396,940.72, 18,541,021.30 and 11,040,281.74 is: 16,511,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396,940.72 : 18,541,021.30 = 11,040,281.74 : x
  2. Step 2: Convert to fraction form
    12,396,940.72/18,541,021.30 = 11,040,281.74/x
  3. Step 3: Cross multiply
    12,396,940.72x = 18,541,021.30 × 11,040,281.74
  4. Step 4: Simplify right side
    12,396,940.72x = 204,698,098,894,916.66
  5. Step 5: Solve for x
    x = 204,698,098,894,916.66/12,396,940.72
  6. Step 6: Final answer
    x = 16,511,984.98

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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.