Home / 12,394,518.70-18,573,625.95-11,115,123.70

Finding the Fourth Proportional to 12,394,518.70, 18,573,625.95 and 11,115,123.70

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Solution

The fourth proportional to 12,394,518.70, 18,573,625.95 and 11,115,123.70 is: 16,656,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,518.70 : 18,573,625.95 = 11,115,123.70 : x
  2. Step 2: Convert to fraction form
    12,394,518.70/18,573,625.95 = 11,115,123.70/x
  3. Step 3: Cross multiply
    12,394,518.70x = 18,573,625.95 × 11,115,123.70
  4. Step 4: Simplify right side
    12,394,518.70x = 206,448,149,991,780
  5. Step 5: Solve for x
    x = 206,448,149,991,780/12,394,518.70
  6. Step 6: Final answer
    x = 16,656,407.16

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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.