Home / 18,455,908.87-27,680,105.45-6,780,267.41

Finding the Fourth Proportional to 18,455,908.87, 27,680,105.45 and 6,780,267.41

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Solution

The fourth proportional to 18,455,908.87, 27,680,105.45 and 6,780,267.41 is: 10,169,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455,908.87 : 27,680,105.45 = 6,780,267.41 : x
  2. Step 2: Convert to fraction form
    18,455,908.87/27,680,105.45 = 6,780,267.41/x
  3. Step 3: Cross multiply
    18,455,908.87x = 27,680,105.45 × 6,780,267.41
  4. Step 4: Simplify right side
    18,455,908.87x = 187,678,516,715,696.53
  5. Step 5: Solve for x
    x = 187,678,516,715,696.53/18,455,908.87
  6. Step 6: Final answer
    x = 10,169,020.56

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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.