Home / 21,629,445.08-29,848,590.78-11,839,892

Finding the Fourth Proportional to 21,629,445.08, 29,848,590.78 and 11,839,892

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Solution

The fourth proportional to 21,629,445.08, 29,848,590.78 and 11,839,892 is: 16,339,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629,445.08 : 29,848,590.78 = 11,839,892 : x
  2. Step 2: Convert to fraction form
    21,629,445.08/29,848,590.78 = 11,839,892/x
  3. Step 3: Cross multiply
    21,629,445.08x = 29,848,590.78 × 11,839,892
  4. Step 4: Simplify right side
    21,629,445.08x = 353,404,091,187,395.75
  5. Step 5: Solve for x
    x = 353,404,091,187,395.75/21,629,445.08
  6. Step 6: Final answer
    x = 16,339,027.19

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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.