Finding the Fourth Proportional to 8,236,184.80, 12,348,517.20 and 4,868,658.40
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Solution
The fourth proportional to 8,236,184.80, 12,348,517.20 and 4,868,658.40 is: 7,299,582.69
Step by Step Solution
- Step 1: Write the proportion equation
8,236,184.80 : 12,348,517.20 = 4,868,658.40 : x - Step 2: Convert to fraction form
8,236,184.80/12,348,517.20 = 4,868,658.40/x - Step 3: Cross multiply
8,236,184.80x = 12,348,517.20 × 4,868,658.40 - Step 4: Simplify right side
8,236,184.80x = 60,120,711,993,324.48 - Step 5: Solve for x
x = 60,120,711,993,324.48/8,236,184.80 - Step 6: Final answer
x = 7,299,582.69
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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.