Home / 21,888,850.86-30,206,620.71-11,965,776.66

Finding the Fourth Proportional to 21,888,850.86, 30,206,620.71 and 11,965,776.66

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Solution

The fourth proportional to 21,888,850.86, 30,206,620.71 and 11,965,776.66 is: 16,512,775.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,850.86 : 30,206,620.71 = 11,965,776.66 : x
  2. Step 2: Convert to fraction form
    21,888,850.86/30,206,620.71 = 11,965,776.66/x
  3. Step 3: Cross multiply
    21,888,850.86x = 30,206,620.71 × 11,965,776.66
  4. Step 4: Simplify right side
    21,888,850.86x = 361,445,677,069,190.62
  5. Step 5: Solve for x
    x = 361,445,677,069,190.62/21,888,850.86
  6. Step 6: Final answer
    x = 16,512,775.36

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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.