Home / 20,455,745.11-30,682,870.32-6,078,439.26

Finding the Fourth Proportional to 20,455,745.11, 30,682,870.32 and 6,078,439.26

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Solution

The fourth proportional to 20,455,745.11, 30,682,870.32 and 6,078,439.26 is: 9,117,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,745.11 : 30,682,870.32 = 6,078,439.26 : x
  2. Step 2: Convert to fraction form
    20,455,745.11/30,682,870.32 = 6,078,439.26/x
  3. Step 3: Cross multiply
    20,455,745.11x = 30,682,870.32 × 6,078,439.26
  4. Step 4: Simplify right side
    20,455,745.11x = 186,503,963,551,179.69
  5. Step 5: Solve for x
    x = 186,503,963,551,179.69/20,455,745.11
  6. Step 6: Final answer
    x = 9,117,436.81

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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.