Home / 18,465,736.40-25,481,923.32-10,205,371.76

Finding the Fourth Proportional to 18,465,736.40, 25,481,923.32 and 10,205,371.76

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Solution

The fourth proportional to 18,465,736.40, 25,481,923.32 and 10,205,371.76 is: 14,082,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465,736.40 : 25,481,923.32 = 10,205,371.76 : x
  2. Step 2: Convert to fraction form
    18,465,736.40/25,481,923.32 = 10,205,371.76/x
  3. Step 3: Cross multiply
    18,465,736.40x = 25,481,923.32 × 10,205,371.76
  4. Step 4: Simplify right side
    18,465,736.40x = 260,052,500,640,413.44
  5. Step 5: Solve for x
    x = 260,052,500,640,413.44/18,465,736.40
  6. Step 6: Final answer
    x = 14,082,974.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.