Home / 9,106,920.20-13,665,629.10-3,431,217.80

Finding the Fourth Proportional to 9,106,920.20, 13,665,629.10 and 3,431,217.80

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Solution

The fourth proportional to 9,106,920.20, 13,665,629.10 and 3,431,217.80 is: 5,148,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106,920.20 : 13,665,629.10 = 3,431,217.80 : x
  2. Step 2: Convert to fraction form
    9,106,920.20/13,665,629.10 = 3,431,217.80/x
  3. Step 3: Cross multiply
    9,106,920.20x = 13,665,629.10 × 3,431,217.80
  4. Step 4: Simplify right side
    9,106,920.20x = 46,889,749,816,117.98
  5. Step 5: Solve for x
    x = 46,889,749,816,117.98/9,106,920.20
  6. Step 6: Final answer
    x = 5,148,804.29

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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.