Home / 12,280,204.92-18,420,350.58-3,760,503.96

Finding the Fourth Proportional to 12,280,204.92, 18,420,350.58 and 3,760,503.96

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Solution

The fourth proportional to 12,280,204.92, 18,420,350.58 and 3,760,503.96 is: 5,640,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,204.92 : 18,420,350.58 = 3,760,503.96 : x
  2. Step 2: Convert to fraction form
    12,280,204.92/18,420,350.58 = 3,760,503.96/x
  3. Step 3: Cross multiply
    12,280,204.92x = 18,420,350.58 × 3,760,503.96
  4. Step 4: Simplify right side
    12,280,204.92x = 69,269,801,300,678.29
  5. Step 5: Solve for x
    x = 69,269,801,300,678.29/12,280,204.92
  6. Step 6: Final answer
    x = 5,640,769.17

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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.