Home / 13,667,127.45-18,861,029.52-7,555,949.61

Finding the Fourth Proportional to 13,667,127.45, 18,861,029.52 and 7,555,949.61

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Solution

The fourth proportional to 13,667,127.45, 18,861,029.52 and 7,555,949.61 is: 10,427,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,127.45 : 18,861,029.52 = 7,555,949.61 : x
  2. Step 2: Convert to fraction form
    13,667,127.45/18,861,029.52 = 7,555,949.61/x
  3. Step 3: Cross multiply
    13,667,127.45x = 18,861,029.52 × 7,555,949.61
  4. Step 4: Simplify right side
    13,667,127.45x = 142,512,988,645,842.50
  5. Step 5: Solve for x
    x = 142,512,988,645,842.50/13,667,127.45
  6. Step 6: Final answer
    x = 10,427,428.09

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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.