Home / 9,291,286.80-13,936,930.20-8,693,415.68

Finding the Fourth Proportional to 9,291,286.80, 13,936,930.20 and 8,693,415.68

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Solution

The fourth proportional to 9,291,286.80, 13,936,930.20 and 8,693,415.68 is: 13,040,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,286.80 : 13,936,930.20 = 8,693,415.68 : x
  2. Step 2: Convert to fraction form
    9,291,286.80/13,936,930.20 = 8,693,415.68/x
  3. Step 3: Cross multiply
    9,291,286.80x = 13,936,930.20 × 8,693,415.68
  4. Step 4: Simplify right side
    9,291,286.80x = 121,159,527,531,745.53
  5. Step 5: Solve for x
    x = 121,159,527,531,745.53/9,291,286.80
  6. Step 6: Final answer
    x = 13,040,123.52

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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.