Home / 28,418,205.96-39,208,171.77-17,393,462.43

Finding the Fourth Proportional to 28,418,205.96, 39,208,171.77 and 17,393,462.43

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Solution

The fourth proportional to 28,418,205.96, 39,208,171.77 and 17,393,462.43 is: 23,997,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,418,205.96 : 39,208,171.77 = 17,393,462.43 : x
  2. Step 2: Convert to fraction form
    28,418,205.96/39,208,171.77 = 17,393,462.43/x
  3. Step 3: Cross multiply
    28,418,205.96x = 39,208,171.77 × 17,393,462.43
  4. Step 4: Simplify right side
    28,418,205.96x = 681,965,862,630,481.62
  5. Step 5: Solve for x
    x = 681,965,862,630,481.62/28,418,205.96
  6. Step 6: Final answer
    x = 23,997,498.77

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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.