Home / 55,196,664.10-82,794,996.15-18,846,099.70

Finding the Fourth Proportional to 55,196,664.10, 82,794,996.15 and 18,846,099.70

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Solution

The fourth proportional to 55,196,664.10, 82,794,996.15 and 18,846,099.70 is: 28,269,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,664.10 : 82,794,996.15 = 18,846,099.70 : x
  2. Step 2: Convert to fraction form
    55,196,664.10/82,794,996.15 = 18,846,099.70/x
  3. Step 3: Cross multiply
    55,196,664.10x = 82,794,996.15 × 18,846,099.70
  4. Step 4: Simplify right side
    55,196,664.10x = 1,560,362,752,104,016.25
  5. Step 5: Solve for x
    x = 1,560,362,752,104,016.25/55,196,664.10
  6. Step 6: Final answer
    x = 28,269,149.55

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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.