Home / 12,856,848.12-17,743,247.64-8,498,375.82

Finding the Fourth Proportional to 12,856,848.12, 17,743,247.64 and 8,498,375.82

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Solution

The fourth proportional to 12,856,848.12, 17,743,247.64 and 8,498,375.82 is: 11,728,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,848.12 : 17,743,247.64 = 8,498,375.82 : x
  2. Step 2: Convert to fraction form
    12,856,848.12/17,743,247.64 = 8,498,375.82/x
  3. Step 3: Cross multiply
    12,856,848.12x = 17,743,247.64 × 8,498,375.82
  4. Step 4: Simplify right side
    12,856,848.12x = 150,788,786,712,048.06
  5. Step 5: Solve for x
    x = 150,788,786,712,048.06/12,856,848.12
  6. Step 6: Final answer
    x = 11,728,285.60

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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.