Home / 12,801,553.79-17,667,762.11-8,394,986.70

Finding the Fourth Proportional to 12,801,553.79, 17,667,762.11 and 8,394,986.70

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Solution

The fourth proportional to 12,801,553.79, 17,667,762.11 and 8,394,986.70 is: 11,586,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801,553.79 : 17,667,762.11 = 8,394,986.70 : x
  2. Step 2: Convert to fraction form
    12,801,553.79/17,667,762.11 = 8,394,986.70/x
  3. Step 3: Cross multiply
    12,801,553.79x = 17,667,762.11 × 8,394,986.70
  4. Step 4: Simplify right side
    12,801,553.79x = 148,320,627,890,239
  5. Step 5: Solve for x
    x = 148,320,627,890,239/12,801,553.79
  6. Step 6: Final answer
    x = 11,586,142.61

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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.