Home / 21,327,321.84-31,993,235.28-6,951,514.74

Finding the Fourth Proportional to 21,327,321.84, 31,993,235.28 and 6,951,514.74

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Solution

The fourth proportional to 21,327,321.84, 31,993,235.28 and 6,951,514.74 is: 10,428,006.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,327,321.84 : 31,993,235.28 = 6,951,514.74 : x
  2. Step 2: Convert to fraction form
    21,327,321.84/31,993,235.28 = 6,951,514.74/x
  3. Step 3: Cross multiply
    21,327,321.84x = 31,993,235.28 × 6,951,514.74
  4. Step 4: Simplify right side
    21,327,321.84x = 222,401,446,629,208.03
  5. Step 5: Solve for x
    x = 222,401,446,629,208.03/21,327,321.84
  6. Step 6: Final answer
    x = 10,428,006.31

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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.