Home / 7,481,391.21-11,218,599.23-3,886,192.98

Finding the Fourth Proportional to 7,481,391.21, 11,218,599.23 and 3,886,192.98

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Solution

The fourth proportional to 7,481,391.21, 11,218,599.23 and 3,886,192.98 is: 5,827,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481,391.21 : 11,218,599.23 = 3,886,192.98 : x
  2. Step 2: Convert to fraction form
    7,481,391.21/11,218,599.23 = 3,886,192.98/x
  3. Step 3: Cross multiply
    7,481,391.21x = 11,218,599.23 × 3,886,192.98
  4. Step 4: Simplify right side
    7,481,391.21x = 43,597,641,553,628.44
  5. Step 5: Solve for x
    x = 43,597,641,553,628.44/7,481,391.21
  6. Step 6: Final answer
    x = 5,827,477.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.