Home / 8,504,399.12-12,762,576.41-7,691,294.39

Finding the Fourth Proportional to 8,504,399.12, 12,762,576.41 and 7,691,294.39

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Solution

The fourth proportional to 8,504,399.12, 12,762,576.41 and 7,691,294.39 is: 11,542,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504,399.12 : 12,762,576.41 = 7,691,294.39 : x
  2. Step 2: Convert to fraction form
    8,504,399.12/12,762,576.41 = 7,691,294.39/x
  3. Step 3: Cross multiply
    8,504,399.12x = 12,762,576.41 × 7,691,294.39
  4. Step 4: Simplify right side
    8,504,399.12x = 98,160,732,241,909.98
  5. Step 5: Solve for x
    x = 98,160,732,241,909.98/8,504,399.12
  6. Step 6: Final answer
    x = 11,542,347.78

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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.