Home / 36,220,105.60-54,332,782.80-21,812,149.60

Finding the Fourth Proportional to 36,220,105.60, 54,332,782.80 and 21,812,149.60

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Solution

The fourth proportional to 36,220,105.60, 54,332,782.80 and 21,812,149.60 is: 32,719,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220,105.60 : 54,332,782.80 = 21,812,149.60 : x
  2. Step 2: Convert to fraction form
    36,220,105.60/54,332,782.80 = 21,812,149.60/x
  3. Step 3: Cross multiply
    36,220,105.60x = 54,332,782.80 × 21,812,149.60
  4. Step 4: Simplify right side
    36,220,105.60x = 1,185,114,786,617,907
  5. Step 5: Solve for x
    x = 1,185,114,786,617,907/36,220,105.60
  6. Step 6: Final answer
    x = 32,719,804.84

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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.