Home / 20,177,571.80-30,266,357.70-11,674,515.80

Finding the Fourth Proportional to 20,177,571.80, 30,266,357.70 and 11,674,515.80

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Solution

The fourth proportional to 20,177,571.80, 30,266,357.70 and 11,674,515.80 is: 17,511,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,571.80 : 30,266,357.70 = 11,674,515.80 : x
  2. Step 2: Convert to fraction form
    20,177,571.80/30,266,357.70 = 11,674,515.80/x
  3. Step 3: Cross multiply
    20,177,571.80x = 30,266,357.70 × 11,674,515.80
  4. Step 4: Simplify right side
    20,177,571.80x = 353,345,071,177,101.69
  5. Step 5: Solve for x
    x = 353,345,071,177,101.69/20,177,571.80
  6. Step 6: Final answer
    x = 17,511,773.70

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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.