Home / 22,009,738.70-30,374,388.03-12,220,183.36

Finding the Fourth Proportional to 22,009,738.70, 30,374,388.03 and 12,220,183.36

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Solution

The fourth proportional to 22,009,738.70, 30,374,388.03 and 12,220,183.36 is: 16,864,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009,738.70 : 30,374,388.03 = 12,220,183.36 : x
  2. Step 2: Convert to fraction form
    22,009,738.70/30,374,388.03 = 12,220,183.36/x
  3. Step 3: Cross multiply
    22,009,738.70x = 30,374,388.03 × 12,220,183.36
  4. Step 4: Simplify right side
    22,009,738.70x = 371,180,591,113,288.25
  5. Step 5: Solve for x
    x = 371,180,591,113,288.25/22,009,738.70
  6. Step 6: Final answer
    x = 16,864,379.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.