Home / 28,737,097.97-39,656,633.06-15,684,450.45

Finding the Fourth Proportional to 28,737,097.97, 39,656,633.06 and 15,684,450.45

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Solution

The fourth proportional to 28,737,097.97, 39,656,633.06 and 15,684,450.45 is: 21,644,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737,097.97 : 39,656,633.06 = 15,684,450.45 : x
  2. Step 2: Convert to fraction form
    28,737,097.97/39,656,633.06 = 15,684,450.45/x
  3. Step 3: Cross multiply
    28,737,097.97x = 39,656,633.06 × 15,684,450.45
  4. Step 4: Simplify right side
    28,737,097.97x = 621,992,496,084,329.88
  5. Step 5: Solve for x
    x = 621,992,496,084,329.88/28,737,097.97
  6. Step 6: Final answer
    x = 21,644,234.81

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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.