Home / 7,790,487.75-10,752,180.94-5,274,721.51

Finding the Fourth Proportional to 7,790,487.75, 10,752,180.94 and 5,274,721.51

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Solution

The fourth proportional to 7,790,487.75, 10,752,180.94 and 5,274,721.51 is: 7,280,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,487.75 : 10,752,180.94 = 5,274,721.51 : x
  2. Step 2: Convert to fraction form
    7,790,487.75/10,752,180.94 = 5,274,721.51/x
  3. Step 3: Cross multiply
    7,790,487.75x = 10,752,180.94 × 5,274,721.51
  4. Step 4: Simplify right side
    7,790,487.75x = 56,714,760,083,630.02
  5. Step 5: Solve for x
    x = 56,714,760,083,630.02/7,790,487.75
  6. Step 6: Final answer
    x = 7,280,001.19

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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.