Home / 12,474,401.80-18,714,324.30-7,085,633.80

Finding the Fourth Proportional to 12,474,401.80, 18,714,324.30 and 7,085,633.80

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Solution

The fourth proportional to 12,474,401.80, 18,714,324.30 and 7,085,633.80 is: 10,629,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,401.80 : 18,714,324.30 = 7,085,633.80 : x
  2. Step 2: Convert to fraction form
    12,474,401.80/18,714,324.30 = 7,085,633.80/x
  3. Step 3: Cross multiply
    12,474,401.80x = 18,714,324.30 × 7,085,633.80
  4. Step 4: Simplify right side
    12,474,401.80x = 132,602,848,804,241.34
  5. Step 5: Solve for x
    x = 132,602,848,804,241.34/12,474,401.80
  6. Step 6: Final answer
    x = 10,629,996.61

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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.