Home / 13,664,563.44-18,858,972.60-7,863,226.80

Finding the Fourth Proportional to 13,664,563.44, 18,858,972.60 and 7,863,226.80

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Solution

The fourth proportional to 13,664,563.44, 18,858,972.60 and 7,863,226.80 is: 10,852,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664,563.44 : 18,858,972.60 = 7,863,226.80 : x
  2. Step 2: Convert to fraction form
    13,664,563.44/18,858,972.60 = 7,863,226.80/x
  3. Step 3: Cross multiply
    13,664,563.44x = 18,858,972.60 × 7,863,226.80
  4. Step 4: Simplify right side
    13,664,563.44x = 148,292,378,768,785.69
  5. Step 5: Solve for x
    x = 148,292,378,768,785.69/13,664,563.44
  6. Step 6: Final answer
    x = 10,852,331.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.