Home / 18,135,929.20-27,168,464.40-10,926,046.30

Finding the Fourth Proportional to 18,135,929.20, 27,168,464.40 and 10,926,046.30

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Solution

The fourth proportional to 18,135,929.20, 27,168,464.40 and 10,926,046.30 is: 16,367,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135,929.20 : 27,168,464.40 = 10,926,046.30 : x
  2. Step 2: Convert to fraction form
    18,135,929.20/27,168,464.40 = 10,926,046.30/x
  3. Step 3: Cross multiply
    18,135,929.20x = 27,168,464.40 × 10,926,046.30
  4. Step 4: Simplify right side
    18,135,929.20x = 296,843,899,934,301.75
  5. Step 5: Solve for x
    x = 296,843,899,934,301.75/18,135,929.20
  6. Step 6: Final answer
    x = 16,367,724.90

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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.