Home / 12,371,624.43-18,548,104.91-8,112,864.75

Finding the Fourth Proportional to 12,371,624.43, 18,548,104.91 and 8,112,864.75

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Solution

The fourth proportional to 12,371,624.43, 18,548,104.91 and 8,112,864.75 is: 12,163,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,624.43 : 18,548,104.91 = 8,112,864.75 : x
  2. Step 2: Convert to fraction form
    12,371,624.43/18,548,104.91 = 8,112,864.75/x
  3. Step 3: Cross multiply
    12,371,624.43x = 18,548,104.91 × 8,112,864.75
  4. Step 4: Simplify right side
    12,371,624.43x = 150,478,266,463,076.59
  5. Step 5: Solve for x
    x = 150,478,266,463,076.59/12,371,624.43
  6. Step 6: Final answer
    x = 12,163,177.71

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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.