Home / 19,647,002.20-29,470,503.30-12,078,232.60

Finding the Fourth Proportional to 19,647,002.20, 29,470,503.30 and 12,078,232.60

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Solution

The fourth proportional to 19,647,002.20, 29,470,503.30 and 12,078,232.60 is: 18,117,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647,002.20 : 29,470,503.30 = 12,078,232.60 : x
  2. Step 2: Convert to fraction form
    19,647,002.20/29,470,503.30 = 12,078,232.60/x
  3. Step 3: Cross multiply
    19,647,002.20x = 29,470,503.30 × 12,078,232.60
  4. Step 4: Simplify right side
    19,647,002.20x = 355,951,593,696,467.56
  5. Step 5: Solve for x
    x = 355,951,593,696,467.56/19,647,002.20
  6. Step 6: Final answer
    x = 18,117,348.90

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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.