Home / 11,167,782.08-16,755,036.24-3,978,377.60

Finding the Fourth Proportional to 11,167,782.08, 16,755,036.24 and 3,978,377.60

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Solution

The fourth proportional to 11,167,782.08, 16,755,036.24 and 3,978,377.60 is: 5,968,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167,782.08 : 16,755,036.24 = 3,978,377.60 : x
  2. Step 2: Convert to fraction form
    11,167,782.08/16,755,036.24 = 3,978,377.60/x
  3. Step 3: Cross multiply
    11,167,782.08x = 16,755,036.24 × 3,978,377.60
  4. Step 4: Simplify right side
    11,167,782.08x = 66,657,860,864,404.23
  5. Step 5: Solve for x
    x = 66,657,860,864,404.23/11,167,782.08
  6. Step 6: Final answer
    x = 5,968,764.47

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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.