Home / 19,963,338.30-29,945,007.45-7,179,229.80

Finding the Fourth Proportional to 19,963,338.30, 29,945,007.45 and 7,179,229.80

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Solution

The fourth proportional to 19,963,338.30, 29,945,007.45 and 7,179,229.80 is: 10,768,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963,338.30 : 29,945,007.45 = 7,179,229.80 : x
  2. Step 2: Convert to fraction form
    19,963,338.30/29,945,007.45 = 7,179,229.80/x
  3. Step 3: Cross multiply
    19,963,338.30x = 29,945,007.45 × 7,179,229.80
  4. Step 4: Simplify right side
    19,963,338.30x = 214,982,089,846,262
  5. Step 5: Solve for x
    x = 214,982,089,846,262/19,963,338.30
  6. Step 6: Final answer
    x = 10,768,844.70

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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.