Home / 8,340,469.23-11,509,216.02-5,076,921.21

Finding the Fourth Proportional to 8,340,469.23, 11,509,216.02 and 5,076,921.21

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Solution

The fourth proportional to 8,340,469.23, 11,509,216.02 and 5,076,921.21 is: 7,005,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,469.23 : 11,509,216.02 = 5,076,921.21 : x
  2. Step 2: Convert to fraction form
    8,340,469.23/11,509,216.02 = 5,076,921.21/x
  3. Step 3: Cross multiply
    8,340,469.23x = 11,509,216.02 × 5,076,921.21
  4. Step 4: Simplify right side
    8,340,469.23x = 58,431,382,922,409.78
  5. Step 5: Solve for x
    x = 58,431,382,922,409.78/8,340,469.23
  6. Step 6: Final answer
    x = 7,005,766.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.