Home / 21,481,071.12-29,644,119.72-11,691,577.44

Finding the Fourth Proportional to 21,481,071.12, 29,644,119.72 and 11,691,577.44

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Solution

The fourth proportional to 21,481,071.12, 29,644,119.72 and 11,691,577.44 is: 16,134,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481,071.12 : 29,644,119.72 = 11,691,577.44 : x
  2. Step 2: Convert to fraction form
    21,481,071.12/29,644,119.72 = 11,691,577.44/x
  3. Step 3: Cross multiply
    21,481,071.12x = 29,644,119.72 × 11,691,577.44
  4. Step 4: Simplify right side
    21,481,071.12x = 346,586,521,347,011.06
  5. Step 5: Solve for x
    x = 346,586,521,347,011.06/21,481,071.12
  6. Step 6: Final answer
    x = 16,134,508.35

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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.