Home / 31,161,821.04-46,741,329.12-20,930,991.36

Finding the Fourth Proportional to 31,161,821.04, 46,741,329.12 and 20,930,991.36

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Solution

The fourth proportional to 31,161,821.04, 46,741,329.12 and 20,930,991.36 is: 31,395,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161,821.04 : 46,741,329.12 = 20,930,991.36 : x
  2. Step 2: Convert to fraction form
    31,161,821.04/46,741,329.12 = 20,930,991.36/x
  3. Step 3: Cross multiply
    31,161,821.04x = 46,741,329.12 × 20,930,991.36
  4. Step 4: Simplify right side
    31,161,821.04x = 978,342,355,965,636.38
  5. Step 5: Solve for x
    x = 978,342,355,965,636.38/31,161,821.04
  6. Step 6: Final answer
    x = 31,395,545.04

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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.