Home / 28,546,839.75-39,394,682.16-15,494,103.45

Finding the Fourth Proportional to 28,546,839.75, 39,394,682.16 and 15,494,103.45

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Solution

The fourth proportional to 28,546,839.75, 39,394,682.16 and 15,494,103.45 is: 21,381,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,839.75 : 39,394,682.16 = 15,494,103.45 : x
  2. Step 2: Convert to fraction form
    28,546,839.75/39,394,682.16 = 15,494,103.45/x
  3. Step 3: Cross multiply
    28,546,839.75x = 39,394,682.16 × 15,494,103.45
  4. Step 4: Simplify right side
    28,546,839.75x = 610,385,280,766,909.38
  5. Step 5: Solve for x
    x = 610,385,280,766,909.38/28,546,839.75
  6. Step 6: Final answer
    x = 21,381,886.27

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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.