Home / 20,150,091.86-27,824,567.03-19,115,794.85

Finding the Fourth Proportional to 20,150,091.86, 27,824,567.03 and 19,115,794.85

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Solution

The fourth proportional to 20,150,091.86, 27,824,567.03 and 19,115,794.85 is: 26,396,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150,091.86 : 27,824,567.03 = 19,115,794.85 : x
  2. Step 2: Convert to fraction form
    20,150,091.86/27,824,567.03 = 19,115,794.85/x
  3. Step 3: Cross multiply
    20,150,091.86x = 27,824,567.03 × 19,115,794.85
  4. Step 4: Simplify right side
    20,150,091.86x = 531,888,714,900,851.94
  5. Step 5: Solve for x
    x = 531,888,714,900,851.94/20,150,091.86
  6. Step 6: Final answer
    x = 26,396,341.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.