Home / 9,309,801.77-12,846,012.55-5,179,726.79

Finding the Fourth Proportional to 9,309,801.77, 12,846,012.55 and 5,179,726.79

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Solution

The fourth proportional to 9,309,801.77, 12,846,012.55 and 5,179,726.79 is: 7,147,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309,801.77 : 12,846,012.55 = 5,179,726.79 : x
  2. Step 2: Convert to fraction form
    9,309,801.77/12,846,012.55 = 5,179,726.79/x
  3. Step 3: Cross multiply
    9,309,801.77x = 12,846,012.55 × 5,179,726.79
  4. Step 4: Simplify right side
    9,309,801.77x = 66,538,835,393,163.20
  5. Step 5: Solve for x
    x = 66,538,835,393,163.20/9,309,801.77
  6. Step 6: Final answer
    x = 7,147,180.68

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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.