Home / 18,828,371.28-25,901,616.56-16,494,754.80

Finding the Fourth Proportional to 18,828,371.28, 25,901,616.56 and 16,494,754.80

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Solution

The fourth proportional to 18,828,371.28, 25,901,616.56 and 16,494,754.80 is: 22,691,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828,371.28 : 25,901,616.56 = 16,494,754.80 : x
  2. Step 2: Convert to fraction form
    18,828,371.28/25,901,616.56 = 16,494,754.80/x
  3. Step 3: Cross multiply
    18,828,371.28x = 25,901,616.56 × 16,494,754.80
  4. Step 4: Simplify right side
    18,828,371.28x = 427,240,814,080,819.50
  5. Step 5: Solve for x
    x = 427,240,814,080,819.50/18,828,371.28
  6. Step 6: Final answer
    x = 22,691,331.49

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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.