Home / 28,546,828.85-39,394,667.12-15,494,092.56

Finding the Fourth Proportional to 28,546,828.85, 39,394,667.12 and 15,494,092.56

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Solution

The fourth proportional to 28,546,828.85, 39,394,667.12 and 15,494,092.56 is: 21,381,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,828.85 : 39,394,667.12 = 15,494,092.56 : x
  2. Step 2: Convert to fraction form
    28,546,828.85/39,394,667.12 = 15,494,092.56/x
  3. Step 3: Cross multiply
    28,546,828.85x = 39,394,667.12 × 15,494,092.56
  4. Step 4: Simplify right side
    28,546,828.85x = 610,384,618,650,198.25
  5. Step 5: Solve for x
    x = 610,384,618,650,198.25/28,546,828.85
  6. Step 6: Final answer
    x = 21,381,871.23

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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.