Home / 39,613,759.52-54,664,251.04-21,970,997.28

Finding the Fourth Proportional to 39,613,759.52, 54,664,251.04 and 21,970,997.28

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Solution

The fourth proportional to 39,613,759.52, 54,664,251.04 and 21,970,997.28 is: 30,318,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,613,759.52 : 54,664,251.04 = 21,970,997.28 : x
  2. Step 2: Convert to fraction form
    39,613,759.52/54,664,251.04 = 21,970,997.28/x
  3. Step 3: Cross multiply
    39,613,759.52x = 54,664,251.04 × 21,970,997.28
  4. Step 4: Simplify right side
    39,613,759.52x = 1,201,028,110,913,077.25
  5. Step 5: Solve for x
    x = 1,201,028,110,913,077.25/39,613,759.52
  6. Step 6: Final answer
    x = 30,318,458.17

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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.