Home / 18,151,469.62-25,053,865.05-10,715,669.62

Finding the Fourth Proportional to 18,151,469.62, 25,053,865.05 and 10,715,669.62

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Solution

The fourth proportional to 18,151,469.62, 25,053,865.05 and 10,715,669.62 is: 14,790,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151,469.62 : 25,053,865.05 = 10,715,669.62 : x
  2. Step 2: Convert to fraction form
    18,151,469.62/25,053,865.05 = 10,715,669.62/x
  3. Step 3: Cross multiply
    18,151,469.62x = 25,053,865.05 × 10,715,669.62
  4. Step 4: Simplify right side
    18,151,469.62x = 268,468,940,579,864.78
  5. Step 5: Solve for x
    x = 268,468,940,579,864.78/18,151,469.62
  6. Step 6: Final answer
    x = 14,790,479.57

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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.