Home / 15,079,396.56-20,809,658.84-8,203,927.92

Finding the Fourth Proportional to 15,079,396.56, 20,809,658.84 and 8,203,927.92

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Solution

The fourth proportional to 15,079,396.56, 20,809,658.84 and 8,203,927.92 is: 11,321,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079,396.56 : 20,809,658.84 = 8,203,927.92 : x
  2. Step 2: Convert to fraction form
    15,079,396.56/20,809,658.84 = 8,203,927.92/x
  3. Step 3: Cross multiply
    15,079,396.56x = 20,809,658.84 × 8,203,927.92
  4. Step 4: Simplify right side
    15,079,396.56x = 170,720,941,163,150.81
  5. Step 5: Solve for x
    x = 170,720,941,163,150.81/15,079,396.56
  6. Step 6: Final answer
    x = 11,321,470.36

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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.