Home / 31,383,672.72-43,309,986.39-17,255,456.19

Finding the Fourth Proportional to 31,383,672.72, 43,309,986.39 and 17,255,456.19

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Solution

The fourth proportional to 31,383,672.72, 43,309,986.39 and 17,255,456.19 is: 23,812,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383,672.72 : 43,309,986.39 = 17,255,456.19 : x
  2. Step 2: Convert to fraction form
    31,383,672.72/43,309,986.39 = 17,255,456.19/x
  3. Step 3: Cross multiply
    31,383,672.72x = 43,309,986.39 × 17,255,456.19
  4. Step 4: Simplify right side
    31,383,672.72x = 747,333,572,742,141.38
  5. Step 5: Solve for x
    x = 747,333,572,742,141.38/31,383,672.72
  6. Step 6: Final answer
    x = 23,812,814.37

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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.