Home / 6,211,986.57-8,571,223.71-3,918,818.25

Finding the Fourth Proportional to 6,211,986.57, 8,571,223.71 and 3,918,818.25

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Solution

The fourth proportional to 6,211,986.57, 8,571,223.71 and 3,918,818.25 is: 5,407,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211,986.57 : 8,571,223.71 = 3,918,818.25 : x
  2. Step 2: Convert to fraction form
    6,211,986.57/8,571,223.71 = 3,918,818.25/x
  3. Step 3: Cross multiply
    6,211,986.57x = 8,571,223.71 × 3,918,818.25
  4. Step 4: Simplify right side
    6,211,986.57x = 33,589,067,899,580.71
  5. Step 5: Solve for x
    x = 33,589,067,899,580.71/6,211,986.57
  6. Step 6: Final answer
    x = 5,407,137.88

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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.