Home / 18,973,745.57-28,414,735.09-10,862,118.83

Finding the Fourth Proportional to 18,973,745.57, 28,414,735.09 and 10,862,118.83

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Solution

The fourth proportional to 18,973,745.57, 28,414,735.09 and 10,862,118.83 is: 16,266,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973,745.57 : 28,414,735.09 = 10,862,118.83 : x
  2. Step 2: Convert to fraction form
    18,973,745.57/28,414,735.09 = 10,862,118.83/x
  3. Step 3: Cross multiply
    18,973,745.57x = 28,414,735.09 × 10,862,118.83
  4. Step 4: Simplify right side
    18,973,745.57x = 308,644,228,901,321.75
  5. Step 5: Solve for x
    x = 308,644,228,901,321.75/18,973,745.57
  6. Step 6: Final answer
    x = 16,266,910.92

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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.