Home / 5,187,523.21-7,142,934.78-4,700,922.54

Finding the Fourth Proportional to 5,187,523.21, 7,142,934.78 and 4,700,922.54

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Solution

The fourth proportional to 5,187,523.21, 7,142,934.78 and 4,700,922.54 is: 6,472,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,523.21 : 7,142,934.78 = 4,700,922.54 : x
  2. Step 2: Convert to fraction form
    5,187,523.21/7,142,934.78 = 4,700,922.54/x
  3. Step 3: Cross multiply
    5,187,523.21x = 7,142,934.78 × 4,700,922.54
  4. Step 4: Simplify right side
    5,187,523.21x = 33,578,383,109,051.94
  5. Step 5: Solve for x
    x = 33,578,383,109,051.94/5,187,523.21
  6. Step 6: Final answer
    x = 6,472,912.36

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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.