Home / 21,419,480.20-32,081,981.10-11,310,291.40

Finding the Fourth Proportional to 21,419,480.20, 32,081,981.10 and 11,310,291.40

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Solution

The fourth proportional to 21,419,480.20, 32,081,981.10 and 11,310,291.40 is: 16,940,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419,480.20 : 32,081,981.10 = 11,310,291.40 : x
  2. Step 2: Convert to fraction form
    21,419,480.20/32,081,981.10 = 11,310,291.40/x
  3. Step 3: Cross multiply
    21,419,480.20x = 32,081,981.10 × 11,310,291.40
  4. Step 4: Simplify right side
    21,419,480.20x = 362,856,554,930,292.56
  5. Step 5: Solve for x
    x = 362,856,554,930,292.56/21,419,480.20
  6. Step 6: Final answer
    x = 16,940,493.03

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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.