Home / 18,917,791.08-28,376,687.00-4,540,858.89

Finding the Fourth Proportional to 18,917,791.08, 28,376,687.00 and 4,540,858.89

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Solution

The fourth proportional to 18,917,791.08, 28,376,687.00 and 4,540,858.89 is: 6,811,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917,791.08 : 28,376,687.00 = 4,540,858.89 : x
  2. Step 2: Convert to fraction form
    18,917,791.08/28,376,687.00 = 4,540,858.89/x
  3. Step 3: Cross multiply
    18,917,791.08x = 28,376,687.00 × 4,540,858.89
  4. Step 4: Simplify right side
    18,917,791.08x = 128,854,531,337,637.02
  5. Step 5: Solve for x
    x = 128,854,531,337,637.02/18,917,791.08
  6. Step 6: Final answer
    x = 6,811,288.42

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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.