Home / 11,475,330.38-17,212,977.10-7,870,167.50

Finding the Fourth Proportional to 11,475,330.38, 17,212,977.10 and 7,870,167.50

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Solution

The fourth proportional to 11,475,330.38, 17,212,977.10 and 7,870,167.50 is: 11,805,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475,330.38 : 17,212,977.10 = 7,870,167.50 : x
  2. Step 2: Convert to fraction form
    11,475,330.38/17,212,977.10 = 7,870,167.50/x
  3. Step 3: Cross multiply
    11,475,330.38x = 17,212,977.10 × 7,870,167.50
  4. Step 4: Simplify right side
    11,475,330.38x = 135,469,012,844,923.95
  5. Step 5: Solve for x
    x = 135,469,012,844,923.95/11,475,330.38
  6. Step 6: Final answer
    x = 11,805,238.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.