Home / 12,586,076.60-18,888,945.30-5,855,324.60

Finding the Fourth Proportional to 12,586,076.60, 18,888,945.30 and 5,855,324.60

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Solution

The fourth proportional to 12,586,076.60, 18,888,945.30 and 5,855,324.60 is: 8,787,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,076.60 : 18,888,945.30 = 5,855,324.60 : x
  2. Step 2: Convert to fraction form
    12,586,076.60/18,888,945.30 = 5,855,324.60/x
  3. Step 3: Cross multiply
    12,586,076.60x = 18,888,945.30 × 5,855,324.60
  4. Step 4: Simplify right side
    12,586,076.60x = 110,600,906,083,144.38
  5. Step 5: Solve for x
    x = 110,600,906,083,144.38/12,586,076.60
  6. Step 6: Final answer
    x = 8,787,560.22

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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.