Home / 20,923,122.45-31,384,103.51-5,570,543.85

Finding the Fourth Proportional to 20,923,122.45, 31,384,103.51 and 5,570,543.85

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Solution

The fourth proportional to 20,923,122.45, 31,384,103.51 and 5,570,543.85 is: 8,355,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,923,122.45 : 31,384,103.51 = 5,570,543.85 : x
  2. Step 2: Convert to fraction form
    20,923,122.45/31,384,103.51 = 5,570,543.85/x
  3. Step 3: Cross multiply
    20,923,122.45x = 31,384,103.51 × 5,570,543.85
  4. Step 4: Simplify right side
    20,923,122.45x = 174,826,524,767,541.19
  5. Step 5: Solve for x
    x = 174,826,524,767,541.19/20,923,122.45
  6. Step 6: Final answer
    x = 8,355,661.31

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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.