Home / 20,811,524.94-31,228,051.26-15,101,336.78

Finding the Fourth Proportional to 20,811,524.94, 31,228,051.26 and 15,101,336.78

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Solution

The fourth proportional to 20,811,524.94, 31,228,051.26 and 15,101,336.78 is: 22,659,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,811,524.94 : 31,228,051.26 = 15,101,336.78 : x
  2. Step 2: Convert to fraction form
    20,811,524.94/31,228,051.26 = 15,101,336.78/x
  3. Step 3: Cross multiply
    20,811,524.94x = 31,228,051.26 × 15,101,336.78
  4. Step 4: Simplify right side
    20,811,524.94x = 471,585,319,060,363.38
  5. Step 5: Solve for x
    x = 471,585,319,060,363.38/20,811,524.94
  6. Step 6: Final answer
    x = 22,659,815.68

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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.