Home / 7,231,167.31-9,978,983.52-3,968,036.65

Finding the Fourth Proportional to 7,231,167.31, 9,978,983.52 and 3,968,036.65

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Solution

The fourth proportional to 7,231,167.31, 9,978,983.52 and 3,968,036.65 is: 5,475,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,167.31 : 9,978,983.52 = 3,968,036.65 : x
  2. Step 2: Convert to fraction form
    7,231,167.31/9,978,983.52 = 3,968,036.65/x
  3. Step 3: Cross multiply
    7,231,167.31x = 9,978,983.52 × 3,968,036.65
  4. Step 4: Simplify right side
    7,231,167.31x = 39,596,972,337,106.01
  5. Step 5: Solve for x
    x = 39,596,972,337,106.01/7,231,167.31
  6. Step 6: Final answer
    x = 5,475,875.56

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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.