Home / 7,111,007.20-10,657,179.60-2,847,685.60

Finding the Fourth Proportional to 7,111,007.20, 10,657,179.60 and 2,847,685.60

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Solution

The fourth proportional to 7,111,007.20, 10,657,179.60 and 2,847,685.60 is: 4,267,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,007.20 : 10,657,179.60 = 2,847,685.60 : x
  2. Step 2: Convert to fraction form
    7,111,007.20/10,657,179.60 = 2,847,685.60/x
  3. Step 3: Cross multiply
    7,111,007.20x = 10,657,179.60 × 2,847,685.60
  4. Step 4: Simplify right side
    7,111,007.20x = 30,348,296,883,533.76
  5. Step 5: Solve for x
    x = 30,348,296,883,533.76/7,111,007.20
  6. Step 6: Final answer
    x = 4,267,791.61

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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.