Home / 13,770,791.37-20,655,439.54-4,185,422.56

Finding the Fourth Proportional to 13,770,791.37, 20,655,439.54 and 4,185,422.56

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Solution

The fourth proportional to 13,770,791.37, 20,655,439.54 and 4,185,422.56 is: 6,277,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,791.37 : 20,655,439.54 = 4,185,422.56 : x
  2. Step 2: Convert to fraction form
    13,770,791.37/20,655,439.54 = 4,185,422.56/x
  3. Step 3: Cross multiply
    13,770,791.37x = 20,655,439.54 × 4,185,422.56
  4. Step 4: Simplify right side
    13,770,791.37x = 86,451,742,652,787.77
  5. Step 5: Solve for x
    x = 86,451,742,652,787.77/13,770,791.37
  6. Step 6: Final answer
    x = 6,277,906.65

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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.