Home / 27,991,838.82-38,627,126.19-15,601,521.54

Finding the Fourth Proportional to 27,991,838.82, 38,627,126.19 and 15,601,521.54

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Solution

The fourth proportional to 27,991,838.82, 38,627,126.19 and 15,601,521.54 is: 21,529,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991,838.82 : 38,627,126.19 = 15,601,521.54 : x
  2. Step 2: Convert to fraction form
    27,991,838.82/38,627,126.19 = 15,601,521.54/x
  3. Step 3: Cross multiply
    27,991,838.82x = 38,627,126.19 × 15,601,521.54
  4. Step 4: Simplify right side
    27,991,838.82x = 602,641,941,281,583
  5. Step 5: Solve for x
    x = 602,641,941,281,583/27,991,838.82
  6. Step 6: Final answer
    x = 21,529,201.61

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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.