Home / 22,128,669.60-33,193,004.40-20,784,976.80

Finding the Fourth Proportional to 22,128,669.60, 33,193,004.40 and 20,784,976.80

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Solution

The fourth proportional to 22,128,669.60, 33,193,004.40 and 20,784,976.80 is: 31,177,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,669.60 : 33,193,004.40 = 20,784,976.80 : x
  2. Step 2: Convert to fraction form
    22,128,669.60/33,193,004.40 = 20,784,976.80/x
  3. Step 3: Cross multiply
    22,128,669.60x = 33,193,004.40 × 20,784,976.80
  4. Step 4: Simplify right side
    22,128,669.60x = 689,915,826,376,297.88
  5. Step 5: Solve for x
    x = 689,915,826,376,297.88/22,128,669.60
  6. Step 6: Final answer
    x = 31,177,465.20

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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.