Home / 12,178,837-16,806,789.22-7,284,059

Finding the Fourth Proportional to 12,178,837, 16,806,789.22 and 7,284,059

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Solution

The fourth proportional to 12,178,837, 16,806,789.22 and 7,284,059 is: 10,051,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,837 : 16,806,789.22 = 7,284,059 : x
  2. Step 2: Convert to fraction form
    12,178,837/16,806,789.22 = 7,284,059/x
  3. Step 3: Cross multiply
    12,178,837x = 16,806,789.22 × 7,284,059
  4. Step 4: Simplify right side
    12,178,837x = 122,421,644,279,043.97
  5. Step 5: Solve for x
    x = 122,421,644,279,043.97/12,178,837
  6. Step 6: Final answer
    x = 10,051,997.93

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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.