Home / 15,451,778.80-23,200,420.50-8,641,694.52

Finding the Fourth Proportional to 15,451,778.80, 23,200,420.50 and 8,641,694.52

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Solution

The fourth proportional to 15,451,778.80, 23,200,420.50 and 8,641,694.52 is: 12,975,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451,778.80 : 23,200,420.50 = 8,641,694.52 : x
  2. Step 2: Convert to fraction form
    15,451,778.80/23,200,420.50 = 8,641,694.52/x
  3. Step 3: Cross multiply
    15,451,778.80x = 23,200,420.50 × 8,641,694.52
  4. Step 4: Simplify right side
    15,451,778.80x = 200,490,946,696,545.66
  5. Step 5: Solve for x
    x = 200,490,946,696,545.66/15,451,778.80
  6. Step 6: Final answer
    x = 12,975,266.43

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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.