Home / 22,147,656.20-33,185,714.70-12,534,446.60

Finding the Fourth Proportional to 22,147,656.20, 33,185,714.70 and 12,534,446.60

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Solution

The fourth proportional to 22,147,656.20, 33,185,714.70 and 12,534,446.60 is: 18,781,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,656.20 : 33,185,714.70 = 12,534,446.60 : x
  2. Step 2: Convert to fraction form
    22,147,656.20/33,185,714.70 = 12,534,446.60/x
  3. Step 3: Cross multiply
    22,147,656.20x = 33,185,714.70 × 12,534,446.60
  4. Step 4: Simplify right side
    22,147,656.20x = 415,964,568,789,985
  5. Step 5: Solve for x
    x = 415,964,568,789,985/22,147,656.20
  6. Step 6: Final answer
    x = 18,781,426.13

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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.