Home / 18,118,856.18-27,178,284.24-6,605,186.92

Finding the Fourth Proportional to 18,118,856.18, 27,178,284.24 and 6,605,186.92

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Solution

The fourth proportional to 18,118,856.18, 27,178,284.24 and 6,605,186.92 is: 9,907,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118,856.18 : 27,178,284.24 = 6,605,186.92 : x
  2. Step 2: Convert to fraction form
    18,118,856.18/27,178,284.24 = 6,605,186.92/x
  3. Step 3: Cross multiply
    18,118,856.18x = 27,178,284.24 × 6,605,186.92
  4. Step 4: Simplify right side
    18,118,856.18x = 179,517,647,502,144.44
  5. Step 5: Solve for x
    x = 179,517,647,502,144.44/18,118,856.18
  6. Step 6: Final answer
    x = 9,907,780.36

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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.