Home / 8,781,003.72-13,171,431.60-6,863,527.80

Finding the Fourth Proportional to 8,781,003.72, 13,171,431.60 and 6,863,527.80

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Solution

The fourth proportional to 8,781,003.72, 13,171,431.60 and 6,863,527.80 is: 10,295,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,003.72 : 13,171,431.60 = 6,863,527.80 : x
  2. Step 2: Convert to fraction form
    8,781,003.72/13,171,431.60 = 6,863,527.80/x
  3. Step 3: Cross multiply
    8,781,003.72x = 13,171,431.60 × 6,863,527.80
  4. Step 4: Simplify right side
    8,781,003.72x = 90,402,486,952,398.47
  5. Step 5: Solve for x
    x = 90,402,486,952,398.47/8,781,003.72
  6. Step 6: Final answer
    x = 10,295,233.87

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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.