Home / 31,297,131.74-46,940,661.92-8,572,716.38

Finding the Fourth Proportional to 31,297,131.74, 46,940,661.92 and 8,572,716.38

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Solution

The fourth proportional to 31,297,131.74, 46,940,661.92 and 8,572,716.38 is: 12,857,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297,131.74 : 46,940,661.92 = 8,572,716.38 : x
  2. Step 2: Convert to fraction form
    31,297,131.74/46,940,661.92 = 8,572,716.38/x
  3. Step 3: Cross multiply
    31,297,131.74x = 46,940,661.92 × 8,572,716.38
  4. Step 4: Simplify right side
    31,297,131.74x = 402,408,981,329,626.31
  5. Step 5: Solve for x
    x = 402,408,981,329,626.31/31,297,131.74
  6. Step 6: Final answer
    x = 12,857,695.23

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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.