Home / 40,530,514.55-60,786,654.84-18,649,905.32

Finding the Fourth Proportional to 40,530,514.55, 60,786,654.84 and 18,649,905.32

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Solution

The fourth proportional to 40,530,514.55, 60,786,654.84 and 18,649,905.32 is: 27,970,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530,514.55 : 60,786,654.84 = 18,649,905.32 : x
  2. Step 2: Convert to fraction form
    40,530,514.55/60,786,654.84 = 18,649,905.32/x
  3. Step 3: Cross multiply
    40,530,514.55x = 60,786,654.84 × 18,649,905.32
  4. Step 4: Simplify right side
    40,530,514.55x = 1,133,665,357,485,519.75
  5. Step 5: Solve for x
    x = 1,133,665,357,485,519.75/40,530,514.55
  6. Step 6: Final answer
    x = 27,970,662.85

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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.