Home / 15,079,589.64-20,809,604.70-8,203,914.36

Finding the Fourth Proportional to 15,079,589.64, 20,809,604.70 and 8,203,914.36

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Solution

The fourth proportional to 15,079,589.64, 20,809,604.70 and 8,203,914.36 is: 11,321,277.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079,589.64 : 20,809,604.70 = 8,203,914.36 : x
  2. Step 2: Convert to fraction form
    15,079,589.64/20,809,604.70 = 8,203,914.36/x
  3. Step 3: Cross multiply
    15,079,589.64x = 20,809,604.70 × 8,203,914.36
  4. Step 4: Simplify right side
    15,079,589.64x = 170,720,214,824,253.50
  5. Step 5: Solve for x
    x = 170,720,214,824,253.50/15,079,589.64
  6. Step 6: Final answer
    x = 11,321,277.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.