Home / 5,555,745.74-8,375,260.03-5,185,397.78

Finding the Fourth Proportional to 5,555,745.74, 8,375,260.03 and 5,185,397.78

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Solution

The fourth proportional to 5,555,745.74, 8,375,260.03 and 5,185,397.78 is: 7,816,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555,745.74 : 8,375,260.03 = 5,185,397.78 : x
  2. Step 2: Convert to fraction form
    5,555,745.74/8,375,260.03 = 5,185,397.78/x
  3. Step 3: Cross multiply
    5,555,745.74x = 8,375,260.03 × 5,185,397.78
  4. Step 4: Simplify right side
    5,555,745.74x = 43,429,054,745,546.59
  5. Step 5: Solve for x
    x = 43,429,054,745,546.59/5,555,745.74
  6. Step 6: Final answer
    x = 7,816,962.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.