Home / 18,380,520.14-27,573,772.58-5,427,980.85

Finding the Fourth Proportional to 18,380,520.14, 27,573,772.58 and 5,427,980.85

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Solution

The fourth proportional to 18,380,520.14, 27,573,772.58 and 5,427,980.85 is: 8,142,854.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380,520.14 : 27,573,772.58 = 5,427,980.85 : x
  2. Step 2: Convert to fraction form
    18,380,520.14/27,573,772.58 = 5,427,980.85/x
  3. Step 3: Cross multiply
    18,380,520.14x = 27,573,772.58 × 5,427,980.85
  4. Step 4: Simplify right side
    18,380,520.14x = 149,669,909,499,355.19
  5. Step 5: Solve for x
    x = 149,669,909,499,355.19/18,380,520.14
  6. Step 6: Final answer
    x = 8,142,854.96

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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.