Home / 5,175,680.66-7,142,147.82-2,852,566.11

Finding the Fourth Proportional to 5,175,680.66, 7,142,147.82 and 2,852,566.11

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Solution

The fourth proportional to 5,175,680.66, 7,142,147.82 and 2,852,566.11 is: 3,936,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,680.66 : 7,142,147.82 = 2,852,566.11 : x
  2. Step 2: Convert to fraction form
    5,175,680.66/7,142,147.82 = 2,852,566.11/x
  3. Step 3: Cross multiply
    5,175,680.66x = 7,142,147.82 × 2,852,566.11
  4. Step 4: Simplify right side
    5,175,680.66x = 20,373,448,823,942.38
  5. Step 5: Solve for x
    x = 20,373,448,823,942.38/5,175,680.66
  6. Step 6: Final answer
    x = 3,936,380.58

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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.