Home / 20,923,121.70-31,384,102.38-5,570,543.10

Finding the Fourth Proportional to 20,923,121.70, 31,384,102.38 and 5,570,543.10

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Solution

The fourth proportional to 20,923,121.70, 31,384,102.38 and 5,570,543.10 is: 8,355,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,923,121.70 : 31,384,102.38 = 5,570,543.10 : x
  2. Step 2: Convert to fraction form
    20,923,121.70/31,384,102.38 = 5,570,543.10/x
  3. Step 3: Cross multiply
    20,923,121.70x = 31,384,102.38 × 5,570,543.10
  4. Step 4: Simplify right side
    20,923,121.70x = 174,826,494,962,602.56
  5. Step 5: Solve for x
    x = 174,826,494,962,602.56/20,923,121.70
  6. Step 6: Final answer
    x = 8,355,660.19

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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.