Home / 19,761,458.22-27,273,676.42-11,387,198.77

Finding the Fourth Proportional to 19,761,458.22, 27,273,676.42 and 11,387,198.77

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Solution

The fourth proportional to 19,761,458.22, 27,273,676.42 and 11,387,198.77 is: 15,715,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761,458.22 : 27,273,676.42 = 11,387,198.77 : x
  2. Step 2: Convert to fraction form
    19,761,458.22/27,273,676.42 = 11,387,198.77/x
  3. Step 3: Cross multiply
    19,761,458.22x = 27,273,676.42 × 11,387,198.77
  4. Step 4: Simplify right side
    19,761,458.22x = 310,570,774,583,202
  5. Step 5: Solve for x
    x = 310,570,774,583,202/19,761,458.22
  6. Step 6: Final answer
    x = 15,715,984.68

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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.