Home / 18,109,833.78-27,161,797.77-5,327,349.06

Finding the Fourth Proportional to 18,109,833.78, 27,161,797.77 and 5,327,349.06

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Solution

The fourth proportional to 18,109,833.78, 27,161,797.77 and 5,327,349.06 is: 7,990,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109,833.78 : 27,161,797.77 = 5,327,349.06 : x
  2. Step 2: Convert to fraction form
    18,109,833.78/27,161,797.77 = 5,327,349.06/x
  3. Step 3: Cross multiply
    18,109,833.78x = 27,161,797.77 × 5,327,349.06
  4. Step 4: Simplify right side
    18,109,833.78x = 144,700,377,817,919.59
  5. Step 5: Solve for x
    x = 144,700,377,817,919.59/18,109,833.78
  6. Step 6: Final answer
    x = 7,990,154.94

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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.