Home / 18,972,273.45-28,442,462.90-15,369,104.97

Finding the Fourth Proportional to 18,972,273.45, 28,442,462.90 and 15,369,104.97

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Solution

The fourth proportional to 18,972,273.45, 28,442,462.90 and 15,369,104.97 is: 23,040,738.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972,273.45 : 28,442,462.90 = 15,369,104.97 : x
  2. Step 2: Convert to fraction form
    18,972,273.45/28,442,462.90 = 15,369,104.97/x
  3. Step 3: Cross multiply
    18,972,273.45x = 28,442,462.90 × 15,369,104.97
  4. Step 4: Simplify right side
    18,972,273.45x = 437,135,197,838,585.12
  5. Step 5: Solve for x
    x = 437,135,197,838,585.12/18,972,273.45
  6. Step 6: Final answer
    x = 23,040,738.84

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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.