Home / 20,219,796.60-30,329,694.90-12,567,046.20

Finding the Fourth Proportional to 20,219,796.60, 30,329,694.90 and 12,567,046.20

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Solution

The fourth proportional to 20,219,796.60, 30,329,694.90 and 12,567,046.20 is: 18,850,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,796.60 : 30,329,694.90 = 12,567,046.20 : x
  2. Step 2: Convert to fraction form
    20,219,796.60/30,329,694.90 = 12,567,046.20/x
  3. Step 3: Cross multiply
    20,219,796.60x = 30,329,694.90 × 12,567,046.20
  4. Step 4: Simplify right side
    20,219,796.60x = 381,154,677,040,204.31
  5. Step 5: Solve for x
    x = 381,154,677,040,204.31/20,219,796.60
  6. Step 6: Final answer
    x = 18,850,569.30

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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.