Home / 39,270,463.36-54,192,722.88-21,629,027.20

Finding the Fourth Proportional to 39,270,463.36, 54,192,722.88 and 21,629,027.20

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Solution

The fourth proportional to 39,270,463.36, 54,192,722.88 and 21,629,027.20 is: 29,847,773.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,270,463.36 : 54,192,722.88 = 21,629,027.20 : x
  2. Step 2: Convert to fraction form
    39,270,463.36/54,192,722.88 = 21,629,027.20/x
  3. Step 3: Cross multiply
    39,270,463.36x = 54,192,722.88 × 21,629,027.20
  4. Step 4: Simplify right side
    39,270,463.36x = 1,172,135,877,213,582.25
  5. Step 5: Solve for x
    x = 1,172,135,877,213,582.25/39,270,463.36
  6. Step 6: Final answer
    x = 29,847,773.03

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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.