Home / 18,131,404.32-25,013,841.12-10,787,769.36

Finding the Fourth Proportional to 18,131,404.32, 25,013,841.12 and 10,787,769.36

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Solution

The fourth proportional to 18,131,404.32, 25,013,841.12 and 10,787,769.36 is: 14,882,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,404.32 : 25,013,841.12 = 10,787,769.36 : x
  2. Step 2: Convert to fraction form
    18,131,404.32/25,013,841.12 = 10,787,769.36/x
  3. Step 3: Cross multiply
    18,131,404.32x = 25,013,841.12 × 10,787,769.36
  4. Step 4: Simplify right side
    18,131,404.32x = 269,843,548,810,244.09
  5. Step 5: Solve for x
    x = 269,843,548,810,244.09/18,131,404.32
  6. Step 6: Final answer
    x = 14,882,661.27

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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.