Home / 21,163,185.73-31,690,933.44-13,952,843.56

Finding the Fourth Proportional to 21,163,185.73, 31,690,933.44 and 13,952,843.56

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Solution

The fourth proportional to 21,163,185.73, 31,690,933.44 and 13,952,843.56 is: 20,893,765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,163,185.73 : 31,690,933.44 = 13,952,843.56 : x
  2. Step 2: Convert to fraction form
    21,163,185.73/31,690,933.44 = 13,952,843.56/x
  3. Step 3: Cross multiply
    21,163,185.73x = 31,690,933.44 × 13,952,843.56
  4. Step 4: Simplify right side
    21,163,185.73x = 442,178,636,558,692.69
  5. Step 5: Solve for x
    x = 442,178,636,558,692.69/21,163,185.73
  6. Step 6: Final answer
    x = 20,893,765.34

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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.