Home / 20,285,493.75-30,427,915.66-6,452,251.61

Finding the Fourth Proportional to 20,285,493.75, 30,427,915.66 and 6,452,251.61

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Solution

The fourth proportional to 20,285,493.75, 30,427,915.66 and 6,452,251.61 is: 9,678,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285,493.75 : 30,427,915.66 = 6,452,251.61 : x
  2. Step 2: Convert to fraction form
    20,285,493.75/30,427,915.66 = 6,452,251.61/x
  3. Step 3: Cross multiply
    20,285,493.75x = 30,427,915.66 × 6,452,251.61
  4. Step 4: Simplify right side
    20,285,493.75x = 196,328,567,637,909
  5. Step 5: Solve for x
    x = 196,328,567,637,909/20,285,493.75
  6. Step 6: Final answer
    x = 9,678,274.04

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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.