Home / 21,998,981.20-33,029,964.60-12,433,043.20

Finding the Fourth Proportional to 21,998,981.20, 33,029,964.60 and 12,433,043.20

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Solution

The fourth proportional to 21,998,981.20, 33,029,964.60 and 12,433,043.20 is: 18,667,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998,981.20 : 33,029,964.60 = 12,433,043.20 : x
  2. Step 2: Convert to fraction form
    21,998,981.20/33,029,964.60 = 12,433,043.20/x
  3. Step 3: Cross multiply
    21,998,981.20x = 33,029,964.60 × 12,433,043.20
  4. Step 4: Simplify right side
    21,998,981.20x = 410,662,976,766,270.69
  5. Step 5: Solve for x
    x = 410,662,976,766,270.69/21,998,981.20
  6. Step 6: Final answer
    x = 18,667,363.41

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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.