Home / 18,514,640.16-27,776,394.39-7,725,939.54

Finding the Fourth Proportional to 18,514,640.16, 27,776,394.39 and 7,725,939.54

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Solution

The fourth proportional to 18,514,640.16, 27,776,394.39 and 7,725,939.54 is: 11,590,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514,640.16 : 27,776,394.39 = 7,725,939.54 : x
  2. Step 2: Convert to fraction form
    18,514,640.16/27,776,394.39 = 7,725,939.54/x
  3. Step 3: Cross multiply
    18,514,640.16x = 27,776,394.39 × 7,725,939.54
  4. Step 4: Simplify right side
    18,514,640.16x = 214,598,743,696,335.19
  5. Step 5: Solve for x
    x = 214,598,743,696,335.19/18,514,640.16
  6. Step 6: Final answer
    x = 11,590,759.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.