Finding the Fourth Proportional to 12,512,694.60, 18,737,549.10 and 8,229,673.80
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Solution
The fourth proportional to 12,512,694.60, 18,737,549.10 and 8,229,673.80 is: 12,323,797.70
Step by Step Solution
- Step 1: Write the proportion equation
12,512,694.60 : 18,737,549.10 = 8,229,673.80 : x - Step 2: Convert to fraction form
12,512,694.60/18,737,549.10 = 8,229,673.80/x - Step 3: Cross multiply
12,512,694.60x = 18,737,549.10 × 8,229,673.80 - Step 4: Simplify right side
12,512,694.60x = 154,203,916,904,483.59 - Step 5: Solve for x
x = 154,203,916,904,483.59/12,512,694.60 - Step 6: Final answer
x = 12,323,797.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.