Home / 22,378,914.63-30,882,856.64-12,589,365.87

Finding the Fourth Proportional to 22,378,914.63, 30,882,856.64 and 12,589,365.87

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Solution

The fourth proportional to 22,378,914.63, 30,882,856.64 and 12,589,365.87 is: 17,373,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378,914.63 : 30,882,856.64 = 12,589,365.87 : x
  2. Step 2: Convert to fraction form
    22,378,914.63/30,882,856.64 = 12,589,365.87/x
  3. Step 3: Cross multiply
    22,378,914.63x = 30,882,856.64 × 12,589,365.87
  4. Step 4: Simplify right side
    22,378,914.63x = 388,795,581,288,772.06
  5. Step 5: Solve for x
    x = 388,795,581,288,772.06/22,378,914.63
  6. Step 6: Final answer
    x = 17,373,299.27

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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.