Home / 8,613,464.61-11,887,418.82-6,434,224.36

Finding the Fourth Proportional to 8,613,464.61, 11,887,418.82 and 6,434,224.36

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Solution

The fourth proportional to 8,613,464.61, 11,887,418.82 and 6,434,224.36 is: 8,879,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613,464.61 : 11,887,418.82 = 6,434,224.36 : x
  2. Step 2: Convert to fraction form
    8,613,464.61/11,887,418.82 = 6,434,224.36/x
  3. Step 3: Cross multiply
    8,613,464.61x = 11,887,418.82 × 6,434,224.36
  4. Step 4: Simplify right side
    8,613,464.61x = 76,486,319,707,383.73
  5. Step 5: Solve for x
    x = 76,486,319,707,383.73/8,613,464.61
  6. Step 6: Final answer
    x = 8,879,855.34

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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.