Home / 7,741,121.60-11,597,685.60-6,621,377.60

Finding the Fourth Proportional to 7,741,121.60, 11,597,685.60 and 6,621,377.60

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Solution

The fourth proportional to 7,741,121.60, 11,597,685.60 and 6,621,377.60 is: 9,920,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741,121.60 : 11,597,685.60 = 6,621,377.60 : x
  2. Step 2: Convert to fraction form
    7,741,121.60/11,597,685.60 = 6,621,377.60/x
  3. Step 3: Cross multiply
    7,741,121.60x = 11,597,685.60 × 6,621,377.60
  4. Step 4: Simplify right side
    7,741,121.60x = 76,792,655,643,682.55
  5. Step 5: Solve for x
    x = 76,792,655,643,682.55/7,741,121.60
  6. Step 6: Final answer
    x = 9,920,094.22

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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.