Home / 13,356,115.32-18,436,186.68-8,126,735.88

Finding the Fourth Proportional to 13,356,115.32, 18,436,186.68 and 8,126,735.88

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Solution

The fourth proportional to 13,356,115.32, 18,436,186.68 and 8,126,735.88 is: 11,217,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356,115.32 : 18,436,186.68 = 8,126,735.88 : x
  2. Step 2: Convert to fraction form
    13,356,115.32/18,436,186.68 = 8,126,735.88/x
  3. Step 3: Cross multiply
    13,356,115.32x = 18,436,186.68 × 8,126,735.88
  4. Step 4: Simplify right side
    13,356,115.32x = 149,826,019,782,734.06
  5. Step 5: Solve for x
    x = 149,826,019,782,734.06/13,356,115.32
  6. Step 6: Final answer
    x = 11,217,784.23

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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.