Home / 7,672,865.72-10,588,811.04-4,188,410.96

Finding the Fourth Proportional to 7,672,865.72, 10,588,811.04 and 4,188,410.96

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Solution

The fourth proportional to 7,672,865.72, 10,588,811.04 and 4,188,410.96 is: 5,780,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672,865.72 : 10,588,811.04 = 4,188,410.96 : x
  2. Step 2: Convert to fraction form
    7,672,865.72/10,588,811.04 = 4,188,410.96/x
  3. Step 3: Cross multiply
    7,672,865.72x = 10,588,811.04 × 4,188,410.96
  4. Step 4: Simplify right side
    7,672,865.72x = 44,350,292,213,304.99
  5. Step 5: Solve for x
    x = 44,350,292,213,304.99/7,672,865.72
  6. Step 6: Final answer
    x = 5,780,147.06

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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.