Home / 18,677,169.67-27,958,293.89-12,186,268.48

Finding the Fourth Proportional to 18,677,169.67, 27,958,293.89 and 12,186,268.48

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Solution

The fourth proportional to 18,677,169.67, 27,958,293.89 and 12,186,268.48 is: 18,241,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,169.67 : 27,958,293.89 = 12,186,268.48 : x
  2. Step 2: Convert to fraction form
    18,677,169.67/27,958,293.89 = 12,186,268.48/x
  3. Step 3: Cross multiply
    18,677,169.67x = 27,958,293.89 × 12,186,268.48
  4. Step 4: Simplify right side
    18,677,169.67x = 340,707,275,718,913.06
  5. Step 5: Solve for x
    x = 340,707,275,718,913.06/18,677,169.67
  6. Step 6: Final answer
    x = 18,241,911.48

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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.