Home / 39,290,825.08-54,222,972.24-21,887,165.62

Finding the Fourth Proportional to 39,290,825.08, 54,222,972.24 and 21,887,165.62

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Solution

The fourth proportional to 39,290,825.08, 54,222,972.24 and 21,887,165.62 is: 30,205,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,290,825.08 : 54,222,972.24 = 21,887,165.62 : x
  2. Step 2: Convert to fraction form
    39,290,825.08/54,222,972.24 = 21,887,165.62/x
  3. Step 3: Cross multiply
    39,290,825.08x = 54,222,972.24 × 21,887,165.62
  4. Step 4: Simplify right side
    39,290,825.08x = 1,186,787,173,825,542.50
  5. Step 5: Solve for x
    x = 1,186,787,173,825,542.50/39,290,825.08
  6. Step 6: Final answer
    x = 30,205,198.58

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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.