Home / 8,284,542.18-11,426,778.99-5,529,840.72

Finding the Fourth Proportional to 8,284,542.18, 11,426,778.99 and 5,529,840.72

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Solution

The fourth proportional to 8,284,542.18, 11,426,778.99 and 5,529,840.72 is: 7,627,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284,542.18 : 11,426,778.99 = 5,529,840.72 : x
  2. Step 2: Convert to fraction form
    8,284,542.18/11,426,778.99 = 5,529,840.72/x
  3. Step 3: Cross multiply
    8,284,542.18x = 11,426,778.99 × 5,529,840.72
  4. Step 4: Simplify right side
    8,284,542.18x = 63,188,267,757,342.47
  5. Step 5: Solve for x
    x = 63,188,267,757,342.47/8,284,542.18
  6. Step 6: Final answer
    x = 7,627,249.21

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1.5x scale

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.