Home / 13,355,722.20-20,009,963.70-11,324,436.60

Finding the Fourth Proportional to 13,355,722.20, 20,009,963.70 and 11,324,436.60

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Solution

The fourth proportional to 13,355,722.20, 20,009,963.70 and 11,324,436.60 is: 16,966,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,722.20 : 20,009,963.70 = 11,324,436.60 : x
  2. Step 2: Convert to fraction form
    13,355,722.20/20,009,963.70 = 11,324,436.60/x
  3. Step 3: Cross multiply
    13,355,722.20x = 20,009,963.70 × 11,324,436.60
  4. Step 4: Simplify right side
    13,355,722.20x = 226,601,565,288,951.41
  5. Step 5: Solve for x
    x = 226,601,565,288,951.41/13,355,722.20
  6. Step 6: Final answer
    x = 16,966,627.63

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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.