Finding the Fourth Proportional to 8,511,283.80, 12,768,092.10 and 2,830,915.80
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Solution
The fourth proportional to 8,511,283.80, 12,768,092.10 and 2,830,915.80 is: 4,246,761.65
Step by Step Solution
- Step 1: Write the proportion equation
8,511,283.80 : 12,768,092.10 = 2,830,915.80 : x - Step 2: Convert to fraction form
8,511,283.80/12,768,092.10 = 2,830,915.80/x - Step 3: Cross multiply
8,511,283.80x = 12,768,092.10 × 2,830,915.80 - Step 4: Simplify right side
8,511,283.80x = 36,145,393,661,745.18 - Step 5: Solve for x
x = 36,145,393,661,745.18/8,511,283.80 - Step 6: Final answer
x = 4,246,761.65
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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.