Home / 13,468,809.30-20,215,898.55-7,083,644.10

Finding the Fourth Proportional to 13,468,809.30, 20,215,898.55 and 7,083,644.10

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Solution

The fourth proportional to 13,468,809.30, 20,215,898.55 and 7,083,644.10 is: 10,632,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,809.30 : 20,215,898.55 = 7,083,644.10 : x
  2. Step 2: Convert to fraction form
    13,468,809.30/20,215,898.55 = 7,083,644.10/x
  3. Step 3: Cross multiply
    13,468,809.30x = 20,215,898.55 × 7,083,644.10
  4. Step 4: Simplify right side
    13,468,809.30x = 143,202,230,489,906.06
  5. Step 5: Solve for x
    x = 143,202,230,489,906.06/13,468,809.30
  6. Step 6: Final answer
    x = 10,632,137.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.