Home / 17,915,143.82-26,868,286.69-7,678,842.75

Finding the Fourth Proportional to 17,915,143.82, 26,868,286.69 and 7,678,842.75

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Solution

The fourth proportional to 17,915,143.82, 26,868,286.69 and 7,678,842.75 is: 11,516,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915,143.82 : 26,868,286.69 = 7,678,842.75 : x
  2. Step 2: Convert to fraction form
    17,915,143.82/26,868,286.69 = 7,678,842.75/x
  3. Step 3: Cross multiply
    17,915,143.82x = 26,868,286.69 × 7,678,842.75
  4. Step 4: Simplify right side
    17,915,143.82x = 206,317,348,435,230.88
  5. Step 5: Solve for x
    x = 206,317,348,435,230.88/17,915,143.82
  6. Step 6: Final answer
    x = 11,516,365.74

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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.