Home / 20,774,676.25-28,670,537.51-11,482,046.56

Finding the Fourth Proportional to 20,774,676.25, 28,670,537.51 and 11,482,046.56

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Solution

The fourth proportional to 20,774,676.25, 28,670,537.51 and 11,482,046.56 is: 15,846,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,676.25 : 28,670,537.51 = 11,482,046.56 : x
  2. Step 2: Convert to fraction form
    20,774,676.25/28,670,537.51 = 11,482,046.56/x
  3. Step 3: Cross multiply
    20,774,676.25x = 28,670,537.51 × 11,482,046.56
  4. Step 4: Simplify right side
    20,774,676.25x = 329,196,446,590,046.50
  5. Step 5: Solve for x
    x = 329,196,446,590,046.50/20,774,676.25
  6. Step 6: Final answer
    x = 15,846,044.61

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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.