Home / 13,684,287-18,783,724.70-12,100,855.26

Finding the Fourth Proportional to 13,684,287, 18,783,724.70 and 12,100,855.26

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Solution

The fourth proportional to 13,684,287, 18,783,724.70 and 12,100,855.26 is: 16,610,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684,287 : 18,783,724.70 = 12,100,855.26 : x
  2. Step 2: Convert to fraction form
    13,684,287/18,783,724.70 = 12,100,855.26/x
  3. Step 3: Cross multiply
    13,684,287x = 18,783,724.70 × 12,100,855.26
  4. Step 4: Simplify right side
    13,684,287x = 227,299,133,777,882.66
  5. Step 5: Solve for x
    x = 227,299,133,777,882.66/13,684,287
  6. Step 6: Final answer
    x = 16,610,228.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.