Finding the Fourth Proportional to 16,202,520.80, 24,282,521.04 and 11,922,648.80
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Solution
The fourth proportional to 16,202,520.80, 24,282,521.04 and 11,922,648.80 is: 17,868,328.88
Step by Step Solution
- Step 1: Write the proportion equation
16,202,520.80 : 24,282,521.04 = 11,922,648.80 : x - Step 2: Convert to fraction form
16,202,520.80/24,282,521.04 = 11,922,648.80/x - Step 3: Cross multiply
16,202,520.80x = 24,282,521.04 × 11,922,648.80 - Step 4: Simplify right side
16,202,520.80x = 289,511,970,338,530.75 - Step 5: Solve for x
x = 289,511,970,338,530.75/16,202,520.80 - Step 6: Final answer
x = 17,868,328.88
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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.