Home / 10,372,553.20-14,318,046.36-7,801,658.16

Finding the Fourth Proportional to 10,372,553.20, 14,318,046.36 and 7,801,658.16

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Solution

The fourth proportional to 10,372,553.20, 14,318,046.36 and 7,801,658.16 is: 10,769,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,553.20 : 14,318,046.36 = 7,801,658.16 : x
  2. Step 2: Convert to fraction form
    10,372,553.20/14,318,046.36 = 7,801,658.16/x
  3. Step 3: Cross multiply
    10,372,553.20x = 14,318,046.36 × 7,801,658.16
  4. Step 4: Simplify right side
    10,372,553.20x = 111,704,503,219,752.30
  5. Step 5: Solve for x
    x = 111,704,503,219,752.30/10,372,553.20
  6. Step 6: Final answer
    x = 10,769,238.88

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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.