Home / 12,193,914.23-18,289,090.89-3,555,693.43

Finding the Fourth Proportional to 12,193,914.23, 18,289,090.89 and 3,555,693.43

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Solution

The fourth proportional to 12,193,914.23, 18,289,090.89 and 3,555,693.43 is: 5,333,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193,914.23 : 18,289,090.89 = 3,555,693.43 : x
  2. Step 2: Convert to fraction form
    12,193,914.23/18,289,090.89 = 3,555,693.43/x
  3. Step 3: Cross multiply
    12,193,914.23x = 18,289,090.89 × 3,555,693.43
  4. Step 4: Simplify right side
    12,193,914.23x = 65,030,400,318,245.86
  5. Step 5: Solve for x
    x = 65,030,400,318,245.86/12,193,914.23
  6. Step 6: Final answer
    x = 5,333,020.97

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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.