Home / 39,137,900.22-54,010,950.66-21,498,433.62

Finding the Fourth Proportional to 39,137,900.22, 54,010,950.66 and 21,498,433.62

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Solution

The fourth proportional to 39,137,900.22, 54,010,950.66 and 21,498,433.62 is: 29,668,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,137,900.22 : 54,010,950.66 = 21,498,433.62 : x
  2. Step 2: Convert to fraction form
    39,137,900.22/54,010,950.66 = 21,498,433.62/x
  3. Step 3: Cross multiply
    39,137,900.22x = 54,010,950.66 × 21,498,433.62
  4. Step 4: Simplify right side
    39,137,900.22x = 1,161,150,837,517,105.25
  5. Step 5: Solve for x
    x = 1,161,150,837,517,105.25/39,137,900.22
  6. Step 6: Final answer
    x = 29,668,194.54

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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.