Home / 18,684,908.18-28,013,910.98-11,481,559.56

Finding the Fourth Proportional to 18,684,908.18, 28,013,910.98 and 11,481,559.56

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Solution

The fourth proportional to 18,684,908.18, 28,013,910.98 and 11,481,559.56 is: 17,214,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,908.18 : 28,013,910.98 = 11,481,559.56 : x
  2. Step 2: Convert to fraction form
    18,684,908.18/28,013,910.98 = 11,481,559.56/x
  3. Step 3: Cross multiply
    18,684,908.18x = 28,013,910.98 × 11,481,559.56
  4. Step 4: Simplify right side
    18,684,908.18x = 321,643,387,425,408
  5. Step 5: Solve for x
    x = 321,643,387,425,408/18,684,908.18
  6. Step 6: Final answer
    x = 17,214,073.75

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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.