Home / 20,603,635.92-30,906,112.41-10,362,906.36

Finding the Fourth Proportional to 20,603,635.92, 30,906,112.41 and 10,362,906.36

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Solution

The fourth proportional to 20,603,635.92, 30,906,112.41 and 10,362,906.36 is: 15,544,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603,635.92 : 30,906,112.41 = 10,362,906.36 : x
  2. Step 2: Convert to fraction form
    20,603,635.92/30,906,112.41 = 10,362,906.36/x
  3. Step 3: Cross multiply
    20,603,635.92x = 30,906,112.41 × 10,362,906.36
  4. Step 4: Simplify right side
    20,603,635.92x = 320,277,148,856,463.94
  5. Step 5: Solve for x
    x = 320,277,148,856,463.94/20,603,635.92
  6. Step 6: Final answer
    x = 15,544,690.76

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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.