Home / 5,760,010.20-8,640,015.30-3,968,419.80

Finding the Fourth Proportional to 5,760,010.20, 8,640,015.30 and 3,968,419.80

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Solution

The fourth proportional to 5,760,010.20, 8,640,015.30 and 3,968,419.80 is: 5,952,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760,010.20 : 8,640,015.30 = 3,968,419.80 : x
  2. Step 2: Convert to fraction form
    5,760,010.20/8,640,015.30 = 3,968,419.80/x
  3. Step 3: Cross multiply
    5,760,010.20x = 8,640,015.30 × 3,968,419.80
  4. Step 4: Simplify right side
    5,760,010.20x = 34,287,207,788,822.94
  5. Step 5: Solve for x
    x = 34,287,207,788,822.94/5,760,010.20
  6. Step 6: Final answer
    x = 5,952,629.70

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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.