Home / 19,200,472.37-28,800,736.28-7,840,921.00

Finding the Fourth Proportional to 19,200,472.37, 28,800,736.28 and 7,840,921.00

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Solution

The fourth proportional to 19,200,472.37, 28,800,736.28 and 7,840,921.00 is: 11,761,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200,472.37 : 28,800,736.28 = 7,840,921.00 : x
  2. Step 2: Convert to fraction form
    19,200,472.37/28,800,736.28 = 7,840,921.00/x
  3. Step 3: Cross multiply
    19,200,472.37x = 28,800,736.28 × 7,840,921.00
  4. Step 4: Simplify right side
    19,200,472.37x = 225,824,297,802,107.41
  5. Step 5: Solve for x
    x = 225,824,297,802,107.41/19,200,472.37
  6. Step 6: Final answer
    x = 11,761,392.81

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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.