Home / 20,378,729.65-30,568,089.00-13,969,551.19

Finding the Fourth Proportional to 20,378,729.65, 30,568,089.00 and 13,969,551.19

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Solution

The fourth proportional to 20,378,729.65, 30,568,089.00 and 13,969,551.19 is: 20,954,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,378,729.65 : 30,568,089.00 = 13,969,551.19 : x
  2. Step 2: Convert to fraction form
    20,378,729.65/30,568,089.00 = 13,969,551.19/x
  3. Step 3: Cross multiply
    20,378,729.65x = 30,568,089.00 × 13,969,551.19
  4. Step 4: Simplify right side
    20,378,729.65x = 427,022,483,843,287.75
  5. Step 5: Solve for x
    x = 427,022,483,843,287.75/20,378,729.65
  6. Step 6: Final answer
    x = 20,954,323.03

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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.