Home / 9,085,935.70-13,647,857.55-7,668,759.70

Finding the Fourth Proportional to 9,085,935.70, 13,647,857.55 and 7,668,759.70

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Solution

The fourth proportional to 9,085,935.70, 13,647,857.55 and 7,668,759.70 is: 11,519,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085,935.70 : 13,647,857.55 = 7,668,759.70 : x
  2. Step 2: Convert to fraction form
    9,085,935.70/13,647,857.55 = 7,668,759.70/x
  3. Step 3: Cross multiply
    9,085,935.70x = 13,647,857.55 × 7,668,759.70
  4. Step 4: Simplify right side
    9,085,935.70x = 104,662,139,970,780.75
  5. Step 5: Solve for x
    x = 104,662,139,970,780.75/9,085,935.70
  6. Step 6: Final answer
    x = 11,519,137.21

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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.