Home / 18,980,297.37-28,471,233.38-5,517,125.37

Finding the Fourth Proportional to 18,980,297.37, 28,471,233.38 and 5,517,125.37

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Solution

The fourth proportional to 18,980,297.37, 28,471,233.38 and 5,517,125.37 is: 8,275,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,297.37 : 28,471,233.38 = 5,517,125.37 : x
  2. Step 2: Convert to fraction form
    18,980,297.37/28,471,233.38 = 5,517,125.37/x
  3. Step 3: Cross multiply
    18,980,297.37x = 28,471,233.38 × 5,517,125.37
  4. Step 4: Simplify right side
    18,980,297.37x = 157,079,363,968,403.22
  5. Step 5: Solve for x
    x = 157,079,363,968,403.22/18,980,297.37
  6. Step 6: Final answer
    x = 8,275,916.91

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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.