Home / 12,841,527.72-17,720,837.73-7,040,182.44

Finding the Fourth Proportional to 12,841,527.72, 17,720,837.73 and 7,040,182.44

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Solution

The fourth proportional to 12,841,527.72, 17,720,837.73 and 7,040,182.44 is: 9,715,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841,527.72 : 17,720,837.73 = 7,040,182.44 : x
  2. Step 2: Convert to fraction form
    12,841,527.72/17,720,837.73 = 7,040,182.44/x
  3. Step 3: Cross multiply
    12,841,527.72x = 17,720,837.73 × 7,040,182.44
  4. Step 4: Simplify right side
    12,841,527.72x = 124,757,930,608,835.47
  5. Step 5: Solve for x
    x = 124,757,930,608,835.47/12,841,527.72
  6. Step 6: Final answer
    x = 9,715,193.81

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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.