Home / 20,837,335.69-28,755,523.25-11,669,978.44

Finding the Fourth Proportional to 20,837,335.69, 28,755,523.25 and 11,669,978.44

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Solution

The fourth proportional to 20,837,335.69, 28,755,523.25 and 11,669,978.44 is: 16,104,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,335.69 : 28,755,523.25 = 11,669,978.44 : x
  2. Step 2: Convert to fraction form
    20,837,335.69/28,755,523.25 = 11,669,978.44/x
  3. Step 3: Cross multiply
    20,837,335.69x = 28,755,523.25 × 11,669,978.44
  4. Step 4: Simplify right side
    20,837,335.69x = 335,576,336,358,418.69
  5. Step 5: Solve for x
    x = 335,576,336,358,418.69/20,837,335.69
  6. Step 6: Final answer
    x = 16,104,570.25

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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.