Home / 22,145,105.60-33,217,658.40-20,801,412.80

Finding the Fourth Proportional to 22,145,105.60, 33,217,658.40 and 20,801,412.80

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Solution

The fourth proportional to 22,145,105.60, 33,217,658.40 and 20,801,412.80 is: 31,202,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145,105.60 : 33,217,658.40 = 20,801,412.80 : x
  2. Step 2: Convert to fraction form
    22,145,105.60/33,217,658.40 = 20,801,412.80/x
  3. Step 3: Cross multiply
    22,145,105.60x = 33,217,658.40 × 20,801,412.80
  4. Step 4: Simplify right side
    22,145,105.60x = 690,974,224,627,787.50
  5. Step 5: Solve for x
    x = 690,974,224,627,787.50/22,145,105.60
  6. Step 6: Final answer
    x = 31,202,119.20

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1.5x scale

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.