Home / 7,105,720.20-10,659,617.10-3,319,326.60

Finding the Fourth Proportional to 7,105,720.20, 10,659,617.10 and 3,319,326.60

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Solution

The fourth proportional to 7,105,720.20, 10,659,617.10 and 3,319,326.60 is: 4,979,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,720.20 : 10,659,617.10 = 3,319,326.60 : x
  2. Step 2: Convert to fraction form
    7,105,720.20/10,659,617.10 = 3,319,326.60/x
  3. Step 3: Cross multiply
    7,105,720.20x = 10,659,617.10 × 3,319,326.60
  4. Step 4: Simplify right side
    7,105,720.20x = 35,382,750,585,844.86
  5. Step 5: Solve for x
    x = 35,382,750,585,844.86/7,105,720.20
  6. Step 6: Final answer
    x = 4,979,474.22

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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.