Home / 18,135,912.70-27,168,439.65-10,926,029.80

Finding the Fourth Proportional to 18,135,912.70, 27,168,439.65 and 10,926,029.80

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Solution

The fourth proportional to 18,135,912.70, 27,168,439.65 and 10,926,029.80 is: 16,367,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135,912.70 : 27,168,439.65 = 10,926,029.80 : x
  2. Step 2: Convert to fraction form
    18,135,912.70/27,168,439.65 = 10,926,029.80/x
  3. Step 3: Cross multiply
    18,135,912.70x = 27,168,439.65 × 10,926,029.80
  4. Step 4: Simplify right side
    18,135,912.70x = 296,843,181,235,401.56
  5. Step 5: Solve for x
    x = 296,843,181,235,401.56/18,135,912.70
  6. Step 6: Final answer
    x = 16,367,700.16

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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.