Home / 12,138,949.30-16,751,552.07-6,632,205.63

Finding the Fourth Proportional to 12,138,949.30, 16,751,552.07 and 6,632,205.63

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Solution

The fourth proportional to 12,138,949.30, 16,751,552.07 and 6,632,205.63 is: 9,152,335.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,949.30 : 16,751,552.07 = 6,632,205.63 : x
  2. Step 2: Convert to fraction form
    12,138,949.30/16,751,552.07 = 6,632,205.63/x
  3. Step 3: Cross multiply
    12,138,949.30x = 16,751,552.07 × 6,632,205.63
  4. Step 4: Simplify right side
    12,138,949.30x = 111,099,737,996,840.56
  5. Step 5: Solve for x
    x = 111,099,737,996,840.56/12,138,949.30
  6. Step 6: Final answer
    x = 9,152,335.62

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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.