Home / 7,231,907.78-10,783,966.92-7,166,997.62

Finding the Fourth Proportional to 7,231,907.78, 10,783,966.92 and 7,166,997.62

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Solution

The fourth proportional to 7,231,907.78, 10,783,966.92 and 7,166,997.62 is: 10,687,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,907.78 : 10,783,966.92 = 7,166,997.62 : x
  2. Step 2: Convert to fraction form
    7,231,907.78/10,783,966.92 = 7,166,997.62/x
  3. Step 3: Cross multiply
    7,231,907.78x = 10,783,966.92 × 7,166,997.62
  4. Step 4: Simplify right side
    7,231,907.78x = 77,288,665,195,878.89
  5. Step 5: Solve for x
    x = 77,288,665,195,878.89/7,231,907.78
  6. Step 6: Final answer
    x = 10,687,175.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.