Home / 18,361,728.80-27,542,593.20-8,284,032.80

Finding the Fourth Proportional to 18,361,728.80, 27,542,593.20 and 8,284,032.80

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Solution

The fourth proportional to 18,361,728.80, 27,542,593.20 and 8,284,032.80 is: 12,426,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361,728.80 : 27,542,593.20 = 8,284,032.80 : x
  2. Step 2: Convert to fraction form
    18,361,728.80/27,542,593.20 = 8,284,032.80/x
  3. Step 3: Cross multiply
    18,361,728.80x = 27,542,593.20 × 8,284,032.80
  4. Step 4: Simplify right side
    18,361,728.80x = 228,163,745,465,856.94
  5. Step 5: Solve for x
    x = 228,163,745,465,856.94/18,361,728.80
  6. Step 6: Final answer
    x = 12,426,049.20

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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.