Home / 15,058,819.24-20,781,154.74-8,183,286.52

Finding the Fourth Proportional to 15,058,819.24, 20,781,154.74 and 8,183,286.52

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Solution

The fourth proportional to 15,058,819.24, 20,781,154.74 and 8,183,286.52 is: 11,292,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058,819.24 : 20,781,154.74 = 8,183,286.52 : x
  2. Step 2: Convert to fraction form
    15,058,819.24/20,781,154.74 = 8,183,286.52/x
  3. Step 3: Cross multiply
    15,058,819.24x = 20,781,154.74 × 8,183,286.52
  4. Step 4: Simplify right side
    15,058,819.24x = 170,058,143,453,876.09
  5. Step 5: Solve for x
    x = 170,058,143,453,876.09/15,058,819.24
  6. Step 6: Final answer
    x = 11,292,926.81

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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.