Home / 12,648,069-18,972,628.38-3,672,621

Finding the Fourth Proportional to 12,648,069, 18,972,628.38 and 3,672,621

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Solution

The fourth proportional to 12,648,069, 18,972,628.38 and 3,672,621 is: 5,509,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648,069 : 18,972,628.38 = 3,672,621 : x
  2. Step 2: Convert to fraction form
    12,648,069/18,972,628.38 = 3,672,621/x
  3. Step 3: Cross multiply
    12,648,069x = 18,972,628.38 × 3,672,621
  4. Step 4: Simplify right side
    12,648,069x = 69,679,273,413,583.98
  5. Step 5: Solve for x
    x = 69,679,273,413,583.98/12,648,069
  6. Step 6: Final answer
    x = 5,509,083.91

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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.