Home / 19,942,803-27,523,183.96-11,689,799.72

Finding the Fourth Proportional to 19,942,803, 27,523,183.96 and 11,689,799.72

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Solution

The fourth proportional to 19,942,803, 27,523,183.96 and 11,689,799.72 is: 16,133,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942,803 : 27,523,183.96 = 11,689,799.72 : x
  2. Step 2: Convert to fraction form
    19,942,803/27,523,183.96 = 11,689,799.72/x
  3. Step 3: Cross multiply
    19,942,803x = 27,523,183.96 × 11,689,799.72
  4. Step 4: Simplify right side
    19,942,803x = 321,740,508,149,116.50
  5. Step 5: Solve for x
    x = 321,740,508,149,116.50/19,942,803
  6. Step 6: Final answer
    x = 16,133,163.84

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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.