Home / 7,940,917-11,892,421.50-4,568,038.12

Finding the Fourth Proportional to 7,940,917, 11,892,421.50 and 4,568,038.12

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Solution

The fourth proportional to 7,940,917, 11,892,421.50 and 4,568,038.12 is: 6,841,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940,917 : 11,892,421.50 = 4,568,038.12 : x
  2. Step 2: Convert to fraction form
    7,940,917/11,892,421.50 = 4,568,038.12/x
  3. Step 3: Cross multiply
    7,940,917x = 11,892,421.50 × 4,568,038.12
  4. Step 4: Simplify right side
    7,940,917x = 54,325,034,751,107.58
  5. Step 5: Solve for x
    x = 54,325,034,751,107.58/7,940,917
  6. Step 6: Final answer
    x = 6,841,153.83

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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.