Home / 9,085,941.20-13,647,865.80-7,668,765.20

Finding the Fourth Proportional to 9,085,941.20, 13,647,865.80 and 7,668,765.20

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Solution

The fourth proportional to 9,085,941.20, 13,647,865.80 and 7,668,765.20 is: 11,519,145.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085,941.20 : 13,647,865.80 = 7,668,765.20 : x
  2. Step 2: Convert to fraction form
    9,085,941.20/13,647,865.80 = 7,668,765.20/x
  3. Step 3: Cross multiply
    9,085,941.20x = 13,647,865.80 × 7,668,765.20
  4. Step 4: Simplify right side
    9,085,941.20x = 104,662,278,301,310.17
  5. Step 5: Solve for x
    x = 104,662,278,301,310.17/9,085,941.20
  6. Step 6: Final answer
    x = 11,519,145.46

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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.