Home / 7,628,179.05-11,442,198.78-3,076,004.16

Finding the Fourth Proportional to 7,628,179.05, 11,442,198.78 and 3,076,004.16

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Solution

The fourth proportional to 7,628,179.05, 11,442,198.78 and 3,076,004.16 is: 4,613,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628,179.05 : 11,442,198.78 = 3,076,004.16 : x
  2. Step 2: Convert to fraction form
    7,628,179.05/11,442,198.78 = 3,076,004.16/x
  3. Step 3: Cross multiply
    7,628,179.05x = 11,442,198.78 × 3,076,004.16
  4. Step 4: Simplify right side
    7,628,179.05x = 35,196,251,046,826.92
  5. Step 5: Solve for x
    x = 35,196,251,046,826.92/7,628,179.05
  6. Step 6: Final answer
    x = 4,613,978.10

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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.