Home / 39,399,667.14-54,372,401.03-21,758,533.75

Finding the Fourth Proportional to 39,399,667.14, 54,372,401.03 and 21,758,533.75

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Solution

The fourth proportional to 39,399,667.14, 54,372,401.03 and 21,758,533.75 is: 30,027,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,399,667.14 : 54,372,401.03 = 21,758,533.75 : x
  2. Step 2: Convert to fraction form
    39,399,667.14/54,372,401.03 = 21,758,533.75/x
  3. Step 3: Cross multiply
    39,399,667.14x = 54,372,401.03 × 21,758,533.75
  4. Step 4: Simplify right side
    39,399,667.14x = 1,183,063,722,879,789.75
  5. Step 5: Solve for x
    x = 1,183,063,722,879,789.75/39,399,667.14
  6. Step 6: Final answer
    x = 30,027,251.72

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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.