Home / 7,291,190.40-10,936,785.60-6,677,080.80

Finding the Fourth Proportional to 7,291,190.40, 10,936,785.60 and 6,677,080.80

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Solution

The fourth proportional to 7,291,190.40, 10,936,785.60 and 6,677,080.80 is: 10,015,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291,190.40 : 10,936,785.60 = 6,677,080.80 : x
  2. Step 2: Convert to fraction form
    7,291,190.40/10,936,785.60 = 6,677,080.80/x
  3. Step 3: Cross multiply
    7,291,190.40x = 10,936,785.60 × 6,677,080.80
  4. Step 4: Simplify right side
    7,291,190.40x = 73,025,801,143,476.47
  5. Step 5: Solve for x
    x = 73,025,801,143,476.47/7,291,190.40
  6. Step 6: Final answer
    x = 10,015,621.20

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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.