Home / 6,822,485.12-9,415,003.28-3,766,676.96

Finding the Fourth Proportional to 6,822,485.12, 9,415,003.28 and 3,766,676.96

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Solution

The fourth proportional to 6,822,485.12, 9,415,003.28 and 3,766,676.96 is: 5,197,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822,485.12 : 9,415,003.28 = 3,766,676.96 : x
  2. Step 2: Convert to fraction form
    6,822,485.12/9,415,003.28 = 3,766,676.96/x
  3. Step 3: Cross multiply
    6,822,485.12x = 9,415,003.28 × 3,766,676.96
  4. Step 4: Simplify right side
    6,822,485.12x = 35,463,275,933,100.43
  5. Step 5: Solve for x
    x = 35,463,275,933,100.43/6,822,485.12
  6. Step 6: Final answer
    x = 5,197,999.75

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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.