Home / 15,662,054.82-21,613,865.94-8,693,179.49

Finding the Fourth Proportional to 15,662,054.82, 21,613,865.94 and 8,693,179.49

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Solution

The fourth proportional to 15,662,054.82, 21,613,865.94 and 8,693,179.49 is: 11,996,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,662,054.82 : 21,613,865.94 = 8,693,179.49 : x
  2. Step 2: Convert to fraction form
    15,662,054.82/21,613,865.94 = 8,693,179.49/x
  3. Step 3: Cross multiply
    15,662,054.82x = 21,613,865.94 × 8,693,179.49
  4. Step 4: Simplify right side
    15,662,054.82x = 187,893,216,013,449.97
  5. Step 5: Solve for x
    x = 187,893,216,013,449.97/15,662,054.82
  6. Step 6: Final answer
    x = 11,996,715.51

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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.