Home / 12,684,843.15-17,505,129.51-6,883,623.54

Finding the Fourth Proportional to 12,684,843.15, 17,505,129.51 and 6,883,623.54

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Solution

The fourth proportional to 12,684,843.15, 17,505,129.51 and 6,883,623.54 is: 9,499,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684,843.15 : 17,505,129.51 = 6,883,623.54 : x
  2. Step 2: Convert to fraction form
    12,684,843.15/17,505,129.51 = 6,883,623.54/x
  3. Step 3: Cross multiply
    12,684,843.15x = 17,505,129.51 × 6,883,623.54
  4. Step 4: Simplify right side
    12,684,843.15x = 120,498,721,565,784.67
  5. Step 5: Solve for x
    x = 120,498,721,565,784.67/12,684,843.15
  6. Step 6: Final answer
    x = 9,499,425.43

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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.