Home / 30,432,958.11-45,541,679.01-18,923,845.09

Finding the Fourth Proportional to 30,432,958.11, 45,541,679.01 and 18,923,845.09

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Solution

The fourth proportional to 30,432,958.11, 45,541,679.01 and 18,923,845.09 is: 28,318,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432,958.11 : 45,541,679.01 = 18,923,845.09 : x
  2. Step 2: Convert to fraction form
    30,432,958.11/45,541,679.01 = 18,923,845.09/x
  3. Step 3: Cross multiply
    30,432,958.11x = 45,541,679.01 × 18,923,845.09
  4. Step 4: Simplify right side
    30,432,958.11x = 861,823,678,723,744.50
  5. Step 5: Solve for x
    x = 861,823,678,723,744.50/30,432,958.11
  6. Step 6: Final answer
    x = 28,318,761.38

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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.