Home / 21,334,997.82-29,442,296.39-11,545,441.91

Finding the Fourth Proportional to 21,334,997.82, 29,442,296.39 and 11,545,441.91

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Solution

The fourth proportional to 21,334,997.82, 29,442,296.39 and 11,545,441.91 is: 15,932,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,997.82 : 29,442,296.39 = 11,545,441.91 : x
  2. Step 2: Convert to fraction form
    21,334,997.82/29,442,296.39 = 11,545,441.91/x
  3. Step 3: Cross multiply
    21,334,997.82x = 29,442,296.39 × 11,545,441.91
  4. Step 4: Simplify right side
    21,334,997.82x = 339,924,322,462,809
  5. Step 5: Solve for x
    x = 339,924,322,462,809/21,334,997.82
  6. Step 6: Final answer
    x = 15,932,709.50

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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.