Home / 12,279,653.41-18,415,494.33-4,080,093.61

Finding the Fourth Proportional to 12,279,653.41, 18,415,494.33 and 4,080,093.61

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Solution

The fourth proportional to 12,279,653.41, 18,415,494.33 and 4,080,093.61 is: 6,118,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,279,653.41 : 18,415,494.33 = 4,080,093.61 : x
  2. Step 2: Convert to fraction form
    12,279,653.41/18,415,494.33 = 4,080,093.61/x
  3. Step 3: Cross multiply
    12,279,653.41x = 18,415,494.33 × 4,080,093.61
  4. Step 4: Simplify right side
    12,279,653.41x = 75,136,940,740,824.22
  5. Step 5: Solve for x
    x = 75,136,940,740,824.22/12,279,653.41
  6. Step 6: Final answer
    x = 6,118,816.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.