Home / 22,378,798.70-30,882,696.90-12,589,249.76

Finding the Fourth Proportional to 22,378,798.70, 30,882,696.90 and 12,589,249.76

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Solution

The fourth proportional to 22,378,798.70, 30,882,696.90 and 12,589,249.76 is: 17,373,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378,798.70 : 30,882,696.90 = 12,589,249.76 : x
  2. Step 2: Convert to fraction form
    22,378,798.70/30,882,696.90 = 12,589,249.76/x
  3. Step 3: Cross multiply
    22,378,798.70x = 30,882,696.90 × 12,589,249.76
  4. Step 4: Simplify right side
    22,378,798.70x = 388,789,984,536,477.69
  5. Step 5: Solve for x
    x = 388,789,984,536,477.69/22,378,798.70
  6. Step 6: Final answer
    x = 17,373,139.18

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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.