Home / 20,177,572.80-30,266,359.20-11,674,516.80

Finding the Fourth Proportional to 20,177,572.80, 30,266,359.20 and 11,674,516.80

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Solution

The fourth proportional to 20,177,572.80, 30,266,359.20 and 11,674,516.80 is: 17,511,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,572.80 : 30,266,359.20 = 11,674,516.80 : x
  2. Step 2: Convert to fraction form
    20,177,572.80/30,266,359.20 = 11,674,516.80/x
  3. Step 3: Cross multiply
    20,177,572.80x = 30,266,359.20 × 11,674,516.80
  4. Step 4: Simplify right side
    20,177,572.80x = 353,345,118,955,234.56
  5. Step 5: Solve for x
    x = 353,345,118,955,234.56/20,177,572.80
  6. Step 6: Final answer
    x = 17,511,775.20

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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.