Home / 28,323,167.13-39,085,913.27-15,933,269.23

Finding the Fourth Proportional to 28,323,167.13, 39,085,913.27 and 15,933,269.23

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Solution

The fourth proportional to 28,323,167.13, 39,085,913.27 and 15,933,269.23 is: 21,987,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323,167.13 : 39,085,913.27 = 15,933,269.23 : x
  2. Step 2: Convert to fraction form
    28,323,167.13/39,085,913.27 = 15,933,269.23/x
  3. Step 3: Cross multiply
    28,323,167.13x = 39,085,913.27 × 15,933,269.23
  4. Step 4: Simplify right side
    28,323,167.13x = 622,766,379,173,458
  5. Step 5: Solve for x
    x = 622,766,379,173,458/28,323,167.13
  6. Step 6: Final answer
    x = 21,987,879.26

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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.