Home / 28,546,838.75-39,394,680.77-15,494,102.44

Finding the Fourth Proportional to 28,546,838.75, 39,394,680.77 and 15,494,102.44

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Solution

The fourth proportional to 28,546,838.75, 39,394,680.77 and 15,494,102.44 is: 21,381,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,838.75 : 39,394,680.77 = 15,494,102.44 : x
  2. Step 2: Convert to fraction form
    28,546,838.75/39,394,680.77 = 15,494,102.44/x
  3. Step 3: Cross multiply
    28,546,838.75x = 39,394,680.77 × 15,494,102.44
  4. Step 4: Simplify right side
    28,546,838.75x = 610,385,219,441,478.12
  5. Step 5: Solve for x
    x = 610,385,219,441,478.12/28,546,838.75
  6. Step 6: Final answer
    x = 21,381,884.87

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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.