Home / 21,074,523.66-31,613,953.97-7,954,992.01

Finding the Fourth Proportional to 21,074,523.66, 31,613,953.97 and 7,954,992.01

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Solution

The fourth proportional to 21,074,523.66, 31,613,953.97 and 7,954,992.01 is: 11,933,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074,523.66 : 31,613,953.97 = 7,954,992.01 : x
  2. Step 2: Convert to fraction form
    21,074,523.66/31,613,953.97 = 7,954,992.01/x
  3. Step 3: Cross multiply
    21,074,523.66x = 31,613,953.97 × 7,954,992.01
  4. Step 4: Simplify right side
    21,074,523.66x = 251,488,751,235,857.75
  5. Step 5: Solve for x
    x = 251,488,751,235,857.75/21,074,523.66
  6. Step 6: Final answer
    x = 11,933,306.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.