Home / 21,960,395.25-30,305,348.27-12,171,471.41

Finding the Fourth Proportional to 21,960,395.25, 30,305,348.27 and 12,171,471.41

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Solution

The fourth proportional to 21,960,395.25, 30,305,348.27 and 12,171,471.41 is: 16,796,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,395.25 : 30,305,348.27 = 12,171,471.41 : x
  2. Step 2: Convert to fraction form
    21,960,395.25/30,305,348.27 = 12,171,471.41/x
  3. Step 3: Cross multiply
    21,960,395.25x = 30,305,348.27 × 12,171,471.41
  4. Step 4: Simplify right side
    21,960,395.25x = 368,860,679,826,013.88
  5. Step 5: Solve for x
    x = 368,860,679,826,013.88/21,960,395.25
  6. Step 6: Final answer
    x = 16,796,632.10

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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.