Home / 18,511,765.80-27,767,648.70-8,945,827.80

Finding the Fourth Proportional to 18,511,765.80, 27,767,648.70 and 8,945,827.80

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Solution

The fourth proportional to 18,511,765.80, 27,767,648.70 and 8,945,827.80 is: 13,418,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511,765.80 : 27,767,648.70 = 8,945,827.80 : x
  2. Step 2: Convert to fraction form
    18,511,765.80/27,767,648.70 = 8,945,827.80/x
  3. Step 3: Cross multiply
    18,511,765.80x = 27,767,648.70 × 8,945,827.80
  4. Step 4: Simplify right side
    18,511,765.80x = 248,404,603,681,093.88
  5. Step 5: Solve for x
    x = 248,404,603,681,093.88/18,511,765.80
  6. Step 6: Final answer
    x = 13,418,741.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.