Home / 15,462,587.82-21,337,786.59-8,587,512.75

Finding the Fourth Proportional to 15,462,587.82, 21,337,786.59 and 8,587,512.75

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Solution

The fourth proportional to 15,462,587.82, 21,337,786.59 and 8,587,512.75 is: 11,850,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462,587.82 : 21,337,786.59 = 8,587,512.75 : x
  2. Step 2: Convert to fraction form
    15,462,587.82/21,337,786.59 = 8,587,512.75/x
  3. Step 3: Cross multiply
    15,462,587.82x = 21,337,786.59 × 8,587,512.75
  4. Step 4: Simplify right side
    15,462,587.82x = 183,238,514,398,404.03
  5. Step 5: Solve for x
    x = 183,238,514,398,404.03/15,462,587.82
  6. Step 6: Final answer
    x = 11,850,442.92

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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.