Home / 20,021,235.08-27,629,522.08-11,761,645.50

Finding the Fourth Proportional to 20,021,235.08, 27,629,522.08 and 11,761,645.50

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Solution

The fourth proportional to 20,021,235.08, 27,629,522.08 and 11,761,645.50 is: 16,231,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021,235.08 : 27,629,522.08 = 11,761,645.50 : x
  2. Step 2: Convert to fraction form
    20,021,235.08/27,629,522.08 = 11,761,645.50/x
  3. Step 3: Cross multiply
    20,021,235.08x = 27,629,522.08 × 11,761,645.50
  4. Step 4: Simplify right side
    20,021,235.08x = 324,968,644,009,978.56
  5. Step 5: Solve for x
    x = 324,968,644,009,978.56/20,021,235.08
  6. Step 6: Final answer
    x = 16,231,198.66

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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.