Home / 38,640,016.20-57,967,022.70-19,422,409.80

Finding the Fourth Proportional to 38,640,016.20, 57,967,022.70 and 19,422,409.80

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Solution

The fourth proportional to 38,640,016.20, 57,967,022.70 and 19,422,409.80 is: 29,137,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640,016.20 : 57,967,022.70 = 19,422,409.80 : x
  2. Step 2: Convert to fraction form
    38,640,016.20/57,967,022.70 = 19,422,409.80/x
  3. Step 3: Cross multiply
    38,640,016.20x = 57,967,022.70 × 19,422,409.80
  4. Step 4: Simplify right side
    38,640,016.20x = 1,125,859,269,765,302.50
  5. Step 5: Solve for x
    x = 1,125,859,269,765,302.50/38,640,016.20
  6. Step 6: Final answer
    x = 29,137,132.45

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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.