Finding the Fourth Proportional to 16,215,821.88, 22,377,488.40 and 8,873,625.48
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Solution
The fourth proportional to 16,215,821.88, 22,377,488.40 and 8,873,625.48 is: 12,245,413.94
Step by Step Solution
- Step 1: Write the proportion equation
16,215,821.88 : 22,377,488.40 = 8,873,625.48 : x - Step 2: Convert to fraction form
16,215,821.88/22,377,488.40 = 8,873,625.48/x - Step 3: Cross multiply
16,215,821.88x = 22,377,488.40 × 8,873,625.48 - Step 4: Simplify right side
16,215,821.88x = 198,569,451,244,644.44 - Step 5: Solve for x
x = 198,569,451,244,644.44/16,215,821.88 - Step 6: Final answer
x = 12,245,413.94
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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.