Home / 18,640,414.26-25,710,521.07-12,442,335.96

Finding the Fourth Proportional to 18,640,414.26, 25,710,521.07 and 12,442,335.96

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Solution

The fourth proportional to 18,640,414.26, 25,710,521.07 and 12,442,335.96 is: 17,161,578.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640,414.26 : 25,710,521.07 = 12,442,335.96 : x
  2. Step 2: Convert to fraction form
    18,640,414.26/25,710,521.07 = 12,442,335.96/x
  3. Step 3: Cross multiply
    18,640,414.26x = 25,710,521.07 × 12,442,335.96
  4. Step 4: Simplify right side
    18,640,414.26x = 319,898,940,859,598.69
  5. Step 5: Solve for x
    x = 319,898,940,859,598.69/18,640,414.26
  6. Step 6: Final answer
    x = 17,161,578.94

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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.