Home / 12,654,794.40-18,983,076.96-5,081,760

Finding the Fourth Proportional to 12,654,794.40, 18,983,076.96 and 5,081,760

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Solution

The fourth proportional to 12,654,794.40, 18,983,076.96 and 5,081,760 is: 7,622,995.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,794.40 : 18,983,076.96 = 5,081,760 : x
  2. Step 2: Convert to fraction form
    12,654,794.40/18,983,076.96 = 5,081,760/x
  3. Step 3: Cross multiply
    12,654,794.40x = 18,983,076.96 × 5,081,760
  4. Step 4: Simplify right side
    12,654,794.40x = 96,467,441,172,249.61
  5. Step 5: Solve for x
    x = 96,467,441,172,249.61/12,654,794.40
  6. Step 6: Final answer
    x = 7,622,995.53

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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.