Home / 12,661,789.37-17,479,293.96-8,482,670.19

Finding the Fourth Proportional to 12,661,789.37, 17,479,293.96 and 8,482,670.19

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Solution

The fourth proportional to 12,661,789.37, 17,479,293.96 and 8,482,670.19 is: 11,710,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661,789.37 : 17,479,293.96 = 8,482,670.19 : x
  2. Step 2: Convert to fraction form
    12,661,789.37/17,479,293.96 = 8,482,670.19/x
  3. Step 3: Cross multiply
    12,661,789.37x = 17,479,293.96 × 8,482,670.19
  4. Step 4: Simplify right side
    12,661,789.37x = 148,271,085,816,739.06
  5. Step 5: Solve for x
    x = 148,271,085,816,739.06/12,661,789.37
  6. Step 6: Final answer
    x = 11,710,121.02

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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.