Home / 18,491,239.35-25,518,661.74-10,231,167.15

Finding the Fourth Proportional to 18,491,239.35, 25,518,661.74 and 10,231,167.15

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Solution

The fourth proportional to 18,491,239.35, 25,518,661.74 and 10,231,167.15 is: 14,119,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491,239.35 : 25,518,661.74 = 10,231,167.15 : x
  2. Step 2: Convert to fraction form
    18,491,239.35/25,518,661.74 = 10,231,167.15/x
  3. Step 3: Cross multiply
    18,491,239.35x = 25,518,661.74 × 10,231,167.15
  4. Step 4: Simplify right side
    18,491,239.35x = 261,085,693,706,249.84
  5. Step 5: Solve for x
    x = 261,085,693,706,249.84/18,491,239.35
  6. Step 6: Final answer
    x = 14,119,426.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.