Home / 19,104,846.20-28,661,051.42-5,458,108.76

Finding the Fourth Proportional to 19,104,846.20, 28,661,051.42 and 5,458,108.76

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Solution

The fourth proportional to 19,104,846.20, 28,661,051.42 and 5,458,108.76 is: 8,188,243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104,846.20 : 28,661,051.42 = 5,458,108.76 : x
  2. Step 2: Convert to fraction form
    19,104,846.20/28,661,051.42 = 5,458,108.76/x
  3. Step 3: Cross multiply
    19,104,846.20x = 28,661,051.42 × 5,458,108.76
  4. Step 4: Simplify right side
    19,104,846.20x = 156,435,135,826,312.44
  5. Step 5: Solve for x
    x = 156,435,135,826,312.44/19,104,846.20
  6. Step 6: Final answer
    x = 8,188,243.66

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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.