Home / 8,181,853.28-11,288,455.48-4,743,408.16

Finding the Fourth Proportional to 8,181,853.28, 11,288,455.48 and 4,743,408.16

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Solution

The fourth proportional to 8,181,853.28, 11,288,455.48 and 4,743,408.16 is: 6,544,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181,853.28 : 11,288,455.48 = 4,743,408.16 : x
  2. Step 2: Convert to fraction form
    8,181,853.28/11,288,455.48 = 4,743,408.16/x
  3. Step 3: Cross multiply
    8,181,853.28x = 11,288,455.48 × 4,743,408.16
  4. Step 4: Simplify right side
    8,181,853.28x = 53,545,751,837,628.72
  5. Step 5: Solve for x
    x = 53,545,751,837,628.72/8,181,853.28
  6. Step 6: Final answer
    x = 6,544,452.71

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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.