Home / 7,393,979.40-11,090,969.10-7,100,046.60

Finding the Fourth Proportional to 7,393,979.40, 11,090,969.10 and 7,100,046.60

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Solution

The fourth proportional to 7,393,979.40, 11,090,969.10 and 7,100,046.60 is: 10,650,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393,979.40 : 11,090,969.10 = 7,100,046.60 : x
  2. Step 2: Convert to fraction form
    7,393,979.40/11,090,969.10 = 7,100,046.60/x
  3. Step 3: Cross multiply
    7,393,979.40x = 11,090,969.10 × 7,100,046.60
  4. Step 4: Simplify right side
    7,393,979.40x = 78,746,397,449,160.05
  5. Step 5: Solve for x
    x = 78,746,397,449,160.05/7,393,979.40
  6. Step 6: Final answer
    x = 10,650,069.90

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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.