Home / 20,923,500.72-31,385,351.32-6,350,546.81

Finding the Fourth Proportional to 20,923,500.72, 31,385,351.32 and 6,350,546.81

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Solution

The fourth proportional to 20,923,500.72, 31,385,351.32 and 6,350,546.81 is: 9,525,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,923,500.72 : 31,385,351.32 = 6,350,546.81 : x
  2. Step 2: Convert to fraction form
    20,923,500.72/31,385,351.32 = 6,350,546.81/x
  3. Step 3: Cross multiply
    20,923,500.72x = 31,385,351.32 × 6,350,546.81
  4. Step 4: Simplify right side
    20,923,500.72x = 199,314,142,804,257.78
  5. Step 5: Solve for x
    x = 199,314,142,804,257.78/20,923,500.72
  6. Step 6: Final answer
    x = 9,525,850.64

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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.