Home / 21,986,494.88-30,345,000.18-12,200,091.90

Finding the Fourth Proportional to 21,986,494.88, 30,345,000.18 and 12,200,091.90

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Solution

The fourth proportional to 21,986,494.88, 30,345,000.18 and 12,200,091.90 is: 16,838,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986,494.88 : 30,345,000.18 = 12,200,091.90 : x
  2. Step 2: Convert to fraction form
    21,986,494.88/30,345,000.18 = 12,200,091.90/x
  3. Step 3: Cross multiply
    21,986,494.88x = 30,345,000.18 × 12,200,091.90
  4. Step 4: Simplify right side
    21,986,494.88x = 370,211,790,741,972.44
  5. Step 5: Solve for x
    x = 370,211,790,741,972.44/21,986,494.88
  6. Step 6: Final answer
    x = 16,838,145.09

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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.