Home / 15,106,849.09-22,644,138.03-8,615,949.73

Finding the Fourth Proportional to 15,106,849.09, 22,644,138.03 and 8,615,949.73

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Solution

The fourth proportional to 15,106,849.09, 22,644,138.03 and 8,615,949.73 is: 12,914,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,849.09 : 22,644,138.03 = 8,615,949.73 : x
  2. Step 2: Convert to fraction form
    15,106,849.09/22,644,138.03 = 8,615,949.73/x
  3. Step 3: Cross multiply
    15,106,849.09x = 22,644,138.03 × 8,615,949.73
  4. Step 4: Simplify right side
    15,106,849.09x = 195,100,754,915,353.72
  5. Step 5: Solve for x
    x = 195,100,754,915,353.72/15,106,849.09
  6. Step 6: Final answer
    x = 12,914,721.91

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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.