Home / 22,128,314.40-33,192,471.60-21,986,596.80

Finding the Fourth Proportional to 22,128,314.40, 33,192,471.60 and 21,986,596.80

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Solution

The fourth proportional to 22,128,314.40, 33,192,471.60 and 21,986,596.80 is: 32,979,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,314.40 : 33,192,471.60 = 21,986,596.80 : x
  2. Step 2: Convert to fraction form
    22,128,314.40/33,192,471.60 = 21,986,596.80/x
  3. Step 3: Cross multiply
    22,128,314.40x = 33,192,471.60 × 21,986,596.80
  4. Step 4: Simplify right side
    22,128,314.40x = 729,789,489,864,650.88
  5. Step 5: Solve for x
    x = 729,789,489,864,650.88/22,128,314.40
  6. Step 6: Final answer
    x = 32,979,895.20

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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.