Home / 20,837,334.69-28,755,521.87-11,669,977.44

Finding the Fourth Proportional to 20,837,334.69, 28,755,521.87 and 11,669,977.44

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Solution

The fourth proportional to 20,837,334.69, 28,755,521.87 and 11,669,977.44 is: 16,104,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,334.69 : 28,755,521.87 = 11,669,977.44 : x
  2. Step 2: Convert to fraction form
    20,837,334.69/28,755,521.87 = 11,669,977.44/x
  3. Step 3: Cross multiply
    20,837,334.69x = 28,755,521.87 × 11,669,977.44
  4. Step 4: Simplify right side
    20,837,334.69x = 335,576,291,498,326.62
  5. Step 5: Solve for x
    x = 335,576,291,498,326.62/20,837,334.69
  6. Step 6: Final answer
    x = 16,104,568.87

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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.