Home / 21,960,675.79-30,305,734.77-12,171,751.27

Finding the Fourth Proportional to 21,960,675.79, 30,305,734.77 and 12,171,751.27

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Solution

The fourth proportional to 21,960,675.79, 30,305,734.77 and 12,171,751.27 is: 16,797,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,675.79 : 30,305,734.77 = 12,171,751.27 : x
  2. Step 2: Convert to fraction form
    21,960,675.79/30,305,734.77 = 12,171,751.27/x
  3. Step 3: Cross multiply
    21,960,675.79x = 30,305,734.77 × 12,171,751.27
  4. Step 4: Simplify right side
    21,960,675.79x = 368,873,865,644,910.38
  5. Step 5: Solve for x
    x = 368,873,865,644,910.38/21,960,675.79
  6. Step 6: Final answer
    x = 16,797,017.96

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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.