Home / 12,512,773.60-18,737,667.60-8,229,752.80

Finding the Fourth Proportional to 12,512,773.60, 18,737,667.60 and 8,229,752.80

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Solution

The fourth proportional to 12,512,773.60, 18,737,667.60 and 8,229,752.80 is: 12,323,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512,773.60 : 18,737,667.60 = 8,229,752.80 : x
  2. Step 2: Convert to fraction form
    12,512,773.60/18,737,667.60 = 8,229,752.80/x
  3. Step 3: Cross multiply
    12,512,773.60x = 18,737,667.60 × 8,229,752.80
  4. Step 4: Simplify right side
    12,512,773.60x = 154,206,372,396,569.28
  5. Step 5: Solve for x
    x = 154,206,372,396,569.28/12,512,773.60
  6. Step 6: Final answer
    x = 12,323,916.13

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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.