Home / 8,823,912.78-12,175,110.79-5,151,162.54

Finding the Fourth Proportional to 8,823,912.78, 12,175,110.79 and 5,151,162.54

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Solution

The fourth proportional to 8,823,912.78, 12,175,110.79 and 5,151,162.54 is: 7,107,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823,912.78 : 12,175,110.79 = 5,151,162.54 : x
  2. Step 2: Convert to fraction form
    8,823,912.78/12,175,110.79 = 5,151,162.54/x
  3. Step 3: Cross multiply
    8,823,912.78x = 12,175,110.79 × 5,151,162.54
  4. Step 4: Simplify right side
    8,823,912.78x = 62,715,974,621,797.80
  5. Step 5: Solve for x
    x = 62,715,974,621,797.80/8,823,912.78
  6. Step 6: Final answer
    x = 7,107,501.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.