Home / 8,541,808.64-11,786,893.44-5,782,883.84

Finding the Fourth Proportional to 8,541,808.64, 11,786,893.44 and 5,782,883.84

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Solution

The fourth proportional to 8,541,808.64, 11,786,893.44 and 5,782,883.84 is: 7,979,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541,808.64 : 11,786,893.44 = 5,782,883.84 : x
  2. Step 2: Convert to fraction form
    8,541,808.64/11,786,893.44 = 5,782,883.84/x
  3. Step 3: Cross multiply
    8,541,808.64x = 11,786,893.44 × 5,782,883.84
  4. Step 4: Simplify right side
    8,541,808.64x = 68,162,235,597,978.01
  5. Step 5: Solve for x
    x = 68,162,235,597,978.01/8,541,808.64
  6. Step 6: Final answer
    x = 7,979,836.41

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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.