Home / 9,819,766.89-13,557,481.92-7,236,949.05

Finding the Fourth Proportional to 9,819,766.89, 13,557,481.92 and 7,236,949.05

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Solution

The fourth proportional to 9,819,766.89, 13,557,481.92 and 7,236,949.05 is: 9,991,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819,766.89 : 13,557,481.92 = 7,236,949.05 : x
  2. Step 2: Convert to fraction form
    9,819,766.89/13,557,481.92 = 7,236,949.05/x
  3. Step 3: Cross multiply
    9,819,766.89x = 13,557,481.92 × 7,236,949.05
  4. Step 4: Simplify right side
    9,819,766.89x = 98,114,805,901,336.17
  5. Step 5: Solve for x
    x = 98,114,805,901,336.17/9,819,766.89
  6. Step 6: Final answer
    x = 9,991,561.61

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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.