Home / 19,759,588.80-29,639,383.20-13,372,900.80

Finding the Fourth Proportional to 19,759,588.80, 29,639,383.20 and 13,372,900.80

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Solution

The fourth proportional to 19,759,588.80, 29,639,383.20 and 13,372,900.80 is: 20,059,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759,588.80 : 29,639,383.20 = 13,372,900.80 : x
  2. Step 2: Convert to fraction form
    19,759,588.80/29,639,383.20 = 13,372,900.80/x
  3. Step 3: Cross multiply
    19,759,588.80x = 29,639,383.20 × 13,372,900.80
  4. Step 4: Simplify right side
    19,759,588.80x = 396,364,531,306,786.56
  5. Step 5: Solve for x
    x = 396,364,531,306,786.56/19,759,588.80
  6. Step 6: Final answer
    x = 20,059,351.20

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Double scale
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Similar ratio
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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.