Home / 20,372,996.58-28,106,438.46-11,550,589.98

Finding the Fourth Proportional to 20,372,996.58, 28,106,438.46 and 11,550,589.98

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Solution

The fourth proportional to 20,372,996.58, 28,106,438.46 and 11,550,589.98 is: 15,935,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372,996.58 : 28,106,438.46 = 11,550,589.98 : x
  2. Step 2: Convert to fraction form
    20,372,996.58/28,106,438.46 = 11,550,589.98/x
  3. Step 3: Cross multiply
    20,372,996.58x = 28,106,438.46 × 11,550,589.98
  4. Step 4: Simplify right side
    20,372,996.58x = 324,645,946,449,562.62
  5. Step 5: Solve for x
    x = 324,645,946,449,562.62/20,372,996.58
  6. Step 6: Final answer
    x = 15,935,110.24

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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.