Home / 7,161,329.52-9,882,857.52-3,898,361.52

Finding the Fourth Proportional to 7,161,329.52, 9,882,857.52 and 3,898,361.52

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Solution

The fourth proportional to 7,161,329.52, 9,882,857.52 and 3,898,361.52 is: 5,379,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,329.52 : 9,882,857.52 = 3,898,361.52 : x
  2. Step 2: Convert to fraction form
    7,161,329.52/9,882,857.52 = 3,898,361.52/x
  3. Step 3: Cross multiply
    7,161,329.52x = 9,882,857.52 × 3,898,361.52
  4. Step 4: Simplify right side
    7,161,329.52x = 38,526,951,463,610.62
  5. Step 5: Solve for x
    x = 38,526,951,463,610.62/7,161,329.52
  6. Step 6: Final answer
    x = 5,379,860.17

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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.