Home / 12,320,228.08-18,478,930.17-3,223,203.54

Finding the Fourth Proportional to 12,320,228.08, 18,478,930.17 and 3,223,203.54

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Solution

The fourth proportional to 12,320,228.08, 18,478,930.17 and 3,223,203.54 is: 4,834,435.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,228.08 : 18,478,930.17 = 3,223,203.54 : x
  2. Step 2: Convert to fraction form
    12,320,228.08/18,478,930.17 = 3,223,203.54/x
  3. Step 3: Cross multiply
    12,320,228.08x = 18,478,930.17 × 3,223,203.54
  4. Step 4: Simplify right side
    12,320,228.08x = 59,561,353,082,147.82
  5. Step 5: Solve for x
    x = 59,561,353,082,147.82/12,320,228.08
  6. Step 6: Final answer
    x = 4,834,435.91

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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.