Home / 20,659,739.70-30,954,180.15-9,853,772.70

Finding the Fourth Proportional to 20,659,739.70, 30,954,180.15 and 9,853,772.70

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Solution

The fourth proportional to 20,659,739.70, 30,954,180.15 and 9,853,772.70 is: 14,763,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,739.70 : 30,954,180.15 = 9,853,772.70 : x
  2. Step 2: Convert to fraction form
    20,659,739.70/30,954,180.15 = 9,853,772.70/x
  3. Step 3: Cross multiply
    20,659,739.70x = 30,954,180.15 × 9,853,772.70
  4. Step 4: Simplify right side
    20,659,739.70x = 305,015,455,312,951.88
  5. Step 5: Solve for x
    x = 305,015,455,312,951.88/20,659,739.70
  6. Step 6: Final answer
    x = 14,763,760.81

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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.