Home / 6,631,013.78-9,946,487.89-5,729,712.86

Finding the Fourth Proportional to 6,631,013.78, 9,946,487.89 and 5,729,712.86

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Solution

The fourth proportional to 6,631,013.78, 9,946,487.89 and 5,729,712.86 is: 8,594,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631,013.78 : 9,946,487.89 = 5,729,712.86 : x
  2. Step 2: Convert to fraction form
    6,631,013.78/9,946,487.89 = 5,729,712.86/x
  3. Step 3: Cross multiply
    6,631,013.78x = 9,946,487.89 × 5,729,712.86
  4. Step 4: Simplify right side
    6,631,013.78x = 56,990,519,575,167.27
  5. Step 5: Solve for x
    x = 56,990,519,575,167.27/6,631,013.78
  6. Step 6: Final answer
    x = 8,594,540.97

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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.