Home / 40,419,105.40-60,666,711.90-21,263,609.80

Finding the Fourth Proportional to 40,419,105.40, 60,666,711.90 and 21,263,609.80

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Solution

The fourth proportional to 40,419,105.40, 60,666,711.90 and 21,263,609.80 is: 31,915,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419,105.40 : 60,666,711.90 = 21,263,609.80 : x
  2. Step 2: Convert to fraction form
    40,419,105.40/60,666,711.90 = 21,263,609.80/x
  3. Step 3: Cross multiply
    40,419,105.40x = 60,666,711.90 × 21,263,609.80
  4. Step 4: Simplify right side
    40,419,105.40x = 1,289,993,289,690,616.75
  5. Step 5: Solve for x
    x = 1,289,993,289,690,616.75/40,419,105.40
  6. Step 6: Final answer
    x = 31,915,433.97

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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.