Home / 20,837,333.77-28,755,520.60-11,669,976.52

Finding the Fourth Proportional to 20,837,333.77, 28,755,520.60 and 11,669,976.52

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Solution

The fourth proportional to 20,837,333.77, 28,755,520.60 and 11,669,976.52 is: 16,104,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,333.77 : 28,755,520.60 = 11,669,976.52 : x
  2. Step 2: Convert to fraction form
    20,837,333.77/28,755,520.60 = 11,669,976.52/x
  3. Step 3: Cross multiply
    20,837,333.77x = 28,755,520.60 × 11,669,976.52
  4. Step 4: Simplify right side
    20,837,333.77x = 335,576,250,187,884.94
  5. Step 5: Solve for x
    x = 335,576,250,187,884.94/20,837,333.77
  6. Step 6: Final answer
    x = 16,104,567.60

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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.