Home / 18,250,685.28-25,188,878.76-10,412,754.24

Finding the Fourth Proportional to 18,250,685.28, 25,188,878.76 and 10,412,754.24

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Solution

The fourth proportional to 18,250,685.28, 25,188,878.76 and 10,412,754.24 is: 14,371,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250,685.28 : 25,188,878.76 = 10,412,754.24 : x
  2. Step 2: Convert to fraction form
    18,250,685.28/25,188,878.76 = 10,412,754.24/x
  3. Step 3: Cross multiply
    18,250,685.28x = 25,188,878.76 × 10,412,754.24
  4. Step 4: Simplify right side
    18,250,685.28x = 262,285,604,109,035.97
  5. Step 5: Solve for x
    x = 262,285,604,109,035.97/18,250,685.28
  6. Step 6: Final answer
    x = 14,371,274.29

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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.