Home / 12,009,103-18,015,520.74-4,032,793.24

Finding the Fourth Proportional to 12,009,103, 18,015,520.74 and 4,032,793.24

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Solution

The fourth proportional to 12,009,103, 18,015,520.74 and 4,032,793.24 is: 6,049,816.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009,103 : 18,015,520.74 = 4,032,793.24 : x
  2. Step 2: Convert to fraction form
    12,009,103/18,015,520.74 = 4,032,793.24/x
  3. Step 3: Cross multiply
    12,009,103x = 18,015,520.74 × 4,032,793.24
  4. Step 4: Simplify right side
    12,009,103x = 72,652,870,255,351.80
  5. Step 5: Solve for x
    x = 72,652,870,255,351.80/12,009,103
  6. Step 6: Final answer
    x = 6,049,816.56

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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.