Home / 12,165,418.08-18,252,180.72-4,079,193.12

Finding the Fourth Proportional to 12,165,418.08, 18,252,180.72 and 4,079,193.12

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Solution

The fourth proportional to 12,165,418.08, 18,252,180.72 and 4,079,193.12 is: 6,120,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165,418.08 : 18,252,180.72 = 4,079,193.12 : x
  2. Step 2: Convert to fraction form
    12,165,418.08/18,252,180.72 = 4,079,193.12/x
  3. Step 3: Cross multiply
    12,165,418.08x = 18,252,180.72 × 4,079,193.12
  4. Step 4: Simplify right side
    12,165,418.08x = 74,454,170,018,020.64
  5. Step 5: Solve for x
    x = 74,454,170,018,020.64/12,165,418.08
  6. Step 6: Final answer
    x = 6,120,148.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.