Home / 19,378,107.33-29,066,194.67-7,246,678.82

Finding the Fourth Proportional to 19,378,107.33, 29,066,194.67 and 7,246,678.82

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Solution

The fourth proportional to 19,378,107.33, 29,066,194.67 and 7,246,678.82 is: 10,869,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378,107.33 : 29,066,194.67 = 7,246,678.82 : x
  2. Step 2: Convert to fraction form
    19,378,107.33/29,066,194.67 = 7,246,678.82/x
  3. Step 3: Cross multiply
    19,378,107.33x = 29,066,194.67 × 7,246,678.82
  4. Step 4: Simplify right side
    19,378,107.33x = 210,633,377,111,521.53
  5. Step 5: Solve for x
    x = 210,633,377,111,521.53/19,378,107.33
  6. Step 6: Final answer
    x = 10,869,656.85

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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.