Home / 12,198,381.92-18,297,635.52-4,111,427.36

Finding the Fourth Proportional to 12,198,381.92, 18,297,635.52 and 4,111,427.36

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Solution

The fourth proportional to 12,198,381.92, 18,297,635.52 and 4,111,427.36 is: 6,167,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198,381.92 : 18,297,635.52 = 4,111,427.36 : x
  2. Step 2: Convert to fraction form
    12,198,381.92/18,297,635.52 = 4,111,427.36/x
  3. Step 3: Cross multiply
    12,198,381.92x = 18,297,635.52 × 4,111,427.36
  4. Step 4: Simplify right side
    12,198,381.92x = 75,229,399,300,235.83
  5. Step 5: Solve for x
    x = 75,229,399,300,235.83/12,198,381.92
  6. Step 6: Final answer
    x = 6,167,162.15

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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.