Home / 7,231,908.78-10,783,968.41-7,166,998.62

Finding the Fourth Proportional to 7,231,908.78, 10,783,968.41 and 7,166,998.62

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Solution

The fourth proportional to 7,231,908.78, 10,783,968.41 and 7,166,998.62 is: 10,687,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,908.78 : 10,783,968.41 = 7,166,998.62 : x
  2. Step 2: Convert to fraction form
    7,231,908.78/10,783,968.41 = 7,166,998.62/x
  3. Step 3: Cross multiply
    7,231,908.78x = 10,783,968.41 × 7,166,998.62
  4. Step 4: Simplify right side
    7,231,908.78x = 77,288,686,712,593.59
  5. Step 5: Solve for x
    x = 77,288,686,712,593.59/7,231,908.78
  6. Step 6: Final answer
    x = 10,687,176.66

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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.