Home / 13,052,916.40-18,015,601.44-8,340,297.52

Finding the Fourth Proportional to 13,052,916.40, 18,015,601.44 and 8,340,297.52

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Solution

The fourth proportional to 13,052,916.40, 18,015,601.44 and 8,340,297.52 is: 11,511,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,916.40 : 18,015,601.44 = 8,340,297.52 : x
  2. Step 2: Convert to fraction form
    13,052,916.40/18,015,601.44 = 8,340,297.52/x
  3. Step 3: Cross multiply
    13,052,916.40x = 18,015,601.44 × 8,340,297.52
  4. Step 4: Simplify right side
    13,052,916.40x = 150,255,476,011,340.44
  5. Step 5: Solve for x
    x = 150,255,476,011,340.44/13,052,916.40
  6. Step 6: Final answer
    x = 11,511,257.06

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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.