Home / 18,135,931.20-27,168,467.40-10,926,048.30

Finding the Fourth Proportional to 18,135,931.20, 27,168,467.40 and 10,926,048.30

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Solution

The fourth proportional to 18,135,931.20, 27,168,467.40 and 10,926,048.30 is: 16,367,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135,931.20 : 27,168,467.40 = 10,926,048.30 : x
  2. Step 2: Convert to fraction form
    18,135,931.20/27,168,467.40 = 10,926,048.30/x
  3. Step 3: Cross multiply
    18,135,931.20x = 27,168,467.40 × 10,926,048.30
  4. Step 4: Simplify right side
    18,135,931.20x = 296,843,987,049,375.44
  5. Step 5: Solve for x
    x = 296,843,987,049,375.44/18,135,931.20
  6. Step 6: Final answer
    x = 16,367,727.90

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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.