Home / 30,530,458.60-45,795,687.90-18,586,522.60

Finding the Fourth Proportional to 30,530,458.60, 45,795,687.90 and 18,586,522.60

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Solution

The fourth proportional to 30,530,458.60, 45,795,687.90 and 18,586,522.60 is: 27,879,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,530,458.60 : 45,795,687.90 = 18,586,522.60 : x
  2. Step 2: Convert to fraction form
    30,530,458.60/45,795,687.90 = 18,586,522.60/x
  3. Step 3: Cross multiply
    30,530,458.60x = 45,795,687.90 × 18,586,522.60
  4. Step 4: Simplify right side
    30,530,458.60x = 851,182,588,135,896.62
  5. Step 5: Solve for x
    x = 851,182,588,135,896.62/30,530,458.60
  6. Step 6: Final answer
    x = 27,879,783.90

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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.