Home / 12,221,311.37-18,331,850.41-7,430,323.37

Finding the Fourth Proportional to 12,221,311.37, 18,331,850.41 and 7,430,323.37

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Solution

The fourth proportional to 12,221,311.37, 18,331,850.41 and 7,430,323.37 is: 11,145,414.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,221,311.37 : 18,331,850.41 = 7,430,323.37 : x
  2. Step 2: Convert to fraction form
    12,221,311.37/18,331,850.41 = 7,430,323.37/x
  3. Step 3: Cross multiply
    12,221,311.37x = 18,331,850.41 × 7,430,323.37
  4. Step 4: Simplify right side
    12,221,311.37x = 136,211,576,516,767.08
  5. Step 5: Solve for x
    x = 136,211,576,516,767.08/12,221,311.37
  6. Step 6: Final answer
    x = 11,145,414.14

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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.