Finding the Fourth Proportional to 28,794,351.83, 43,221,413.09 and 16,687,469.75
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Solution
The fourth proportional to 28,794,351.83, 43,221,413.09 and 16,687,469.75 is: 25,048,524.37
Step by Step Solution
- Step 1: Write the proportion equation
28,794,351.83 : 43,221,413.09 = 16,687,469.75 : x - Step 2: Convert to fraction form
28,794,351.83/43,221,413.09 = 16,687,469.75/x - Step 3: Cross multiply
28,794,351.83x = 43,221,413.09 × 16,687,469.75 - Step 4: Simplify right side
28,794,351.83x = 721,256,023,317,240.62 - Step 5: Solve for x
x = 721,256,023,317,240.62/28,794,351.83 - Step 6: Final answer
x = 25,048,524.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.