Home / 12,399,112.54-18,598,728.21-3,763,288

Finding the Fourth Proportional to 12,399,112.54, 18,598,728.21 and 3,763,288

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Solution

The fourth proportional to 12,399,112.54, 18,598,728.21 and 3,763,288 is: 5,644,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399,112.54 : 18,598,728.21 = 3,763,288 : x
  2. Step 2: Convert to fraction form
    12,399,112.54/18,598,728.21 = 3,763,288/x
  3. Step 3: Cross multiply
    12,399,112.54x = 18,598,728.21 × 3,763,288
  4. Step 4: Simplify right side
    12,399,112.54x = 69,992,370,687,954.48
  5. Step 5: Solve for x
    x = 69,992,370,687,954.48/12,399,112.54
  6. Step 6: Final answer
    x = 5,644,950.03

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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.