Home / 11,760,010.40-17,640,015.60-3,782,640.80

Finding the Fourth Proportional to 11,760,010.40, 17,640,015.60 and 3,782,640.80

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Solution

The fourth proportional to 11,760,010.40, 17,640,015.60 and 3,782,640.80 is: 5,673,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760,010.40 : 17,640,015.60 = 3,782,640.80 : x
  2. Step 2: Convert to fraction form
    11,760,010.40/17,640,015.60 = 3,782,640.80/x
  3. Step 3: Cross multiply
    11,760,010.40x = 17,640,015.60 × 3,782,640.80
  4. Step 4: Simplify right side
    11,760,010.40x = 66,725,842,721,196.48
  5. Step 5: Solve for x
    x = 66,725,842,721,196.48/11,760,010.40
  6. Step 6: Final answer
    x = 5,673,961.20

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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.