Finding the Fourth Proportional to 8,394,531.70, 12,591,797.55 and 2,718,829.30
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Solution
The fourth proportional to 8,394,531.70, 12,591,797.55 and 2,718,829.30 is: 4,078,243.95
Step by Step Solution
- Step 1: Write the proportion equation
8,394,531.70 : 12,591,797.55 = 2,718,829.30 : x - Step 2: Convert to fraction form
8,394,531.70/12,591,797.55 = 2,718,829.30/x - Step 3: Cross multiply
8,394,531.70x = 12,591,797.55 × 2,718,829.30 - Step 4: Simplify right side
8,394,531.70x = 34,234,948,118,608.21 - Step 5: Solve for x
x = 34,234,948,118,608.21/8,394,531.70 - Step 6: Final answer
x = 4,078,243.95
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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.