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Finding the Fourth Proportional to 17,361,736.20, 26,042,604.30 and 11,315,118.60

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Solution

The fourth proportional to 17,361,736.20, 26,042,604.30 and 11,315,118.60 is: 16,972,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361,736.20 : 26,042,604.30 = 11,315,118.60 : x
  2. Step 2: Convert to fraction form
    17,361,736.20/26,042,604.30 = 11,315,118.60/x
  3. Step 3: Cross multiply
    17,361,736.20x = 26,042,604.30 × 11,315,118.60
  4. Step 4: Simplify right side
    17,361,736.20x = 294,675,156,307,370
  5. Step 5: Solve for x
    x = 294,675,156,307,370/17,361,736.20
  6. Step 6: Final answer
    x = 16,972,677.90

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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.