Home / 20,737,999.45-31,106,999.18-16,454,978.65

Finding the Fourth Proportional to 20,737,999.45, 31,106,999.18 and 16,454,978.65

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Solution

The fourth proportional to 20,737,999.45, 31,106,999.18 and 16,454,978.65 is: 24,682,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,999.45 : 31,106,999.18 = 16,454,978.65 : x
  2. Step 2: Convert to fraction form
    20,737,999.45/31,106,999.18 = 16,454,978.65/x
  3. Step 3: Cross multiply
    20,737,999.45x = 31,106,999.18 × 16,454,978.65
  4. Step 4: Simplify right side
    20,737,999.45x = 511,865,007,290,192.62
  5. Step 5: Solve for x
    x = 511,865,007,290,192.62/20,737,999.45
  6. Step 6: Final answer
    x = 24,682,467.98

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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.