Home / 5,555,755.37-8,375,274.56-5,185,407.42

Finding the Fourth Proportional to 5,555,755.37, 8,375,274.56 and 5,185,407.42

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Solution

The fourth proportional to 5,555,755.37, 8,375,274.56 and 5,185,407.42 is: 7,816,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555,755.37 : 8,375,274.56 = 5,185,407.42 : x
  2. Step 2: Convert to fraction form
    5,555,755.37/8,375,274.56 = 5,185,407.42/x
  3. Step 3: Cross multiply
    5,555,755.37x = 8,375,274.56 × 5,185,407.42
  4. Step 4: Simplify right side
    5,555,755.37x = 43,429,210,860,924.75
  5. Step 5: Solve for x
    x = 43,429,210,860,924.75/5,555,755.37
  6. Step 6: Final answer
    x = 7,816,976.81

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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.