Home / 15,344,151.78-21,174,825.14-8,468,633.64

Finding the Fourth Proportional to 15,344,151.78, 21,174,825.14 and 8,468,633.64

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Solution

The fourth proportional to 15,344,151.78, 21,174,825.14 and 8,468,633.64 is: 11,686,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344,151.78 : 21,174,825.14 = 8,468,633.64 : x
  2. Step 2: Convert to fraction form
    15,344,151.78/21,174,825.14 = 8,468,633.64/x
  3. Step 3: Cross multiply
    15,344,151.78x = 21,174,825.14 × 8,468,633.64
  4. Step 4: Simplify right side
    15,344,151.78x = 179,321,836,501,721.72
  5. Step 5: Solve for x
    x = 179,321,836,501,721.72/15,344,151.78
  6. Step 6: Final answer
    x = 11,686,656.85

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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.