Home / 21,334,998.82-29,442,297.77-11,545,442.91

Finding the Fourth Proportional to 21,334,998.82, 29,442,297.77 and 11,545,442.91

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Solution

The fourth proportional to 21,334,998.82, 29,442,297.77 and 11,545,442.91 is: 15,932,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,998.82 : 29,442,297.77 = 11,545,442.91 : x
  2. Step 2: Convert to fraction form
    21,334,998.82/29,442,297.77 = 11,545,442.91/x
  3. Step 3: Cross multiply
    21,334,998.82x = 29,442,297.77 × 11,545,442.91
  4. Step 4: Simplify right side
    21,334,998.82x = 339,924,368,042,755.31
  5. Step 5: Solve for x
    x = 339,924,368,042,755.31/21,334,998.82
  6. Step 6: Final answer
    x = 15,932,710.89

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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.