Home / 15,772,640.38-21,757,968.69-13,703,005.73

Finding the Fourth Proportional to 15,772,640.38, 21,757,968.69 and 13,703,005.73

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Solution

The fourth proportional to 15,772,640.38, 21,757,968.69 and 13,703,005.73 is: 18,902,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772,640.38 : 21,757,968.69 = 13,703,005.73 : x
  2. Step 2: Convert to fraction form
    15,772,640.38/21,757,968.69 = 13,703,005.73/x
  3. Step 3: Cross multiply
    15,772,640.38x = 21,757,968.69 × 13,703,005.73
  4. Step 4: Simplify right side
    15,772,640.38x = 298,149,569,632,230.62
  5. Step 5: Solve for x
    x = 298,149,569,632,230.62/15,772,640.38
  6. Step 6: Final answer
    x = 18,902,958.70

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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.