Finding the Fourth Proportional to 8,311,591.49, 12,456,573.14 and 3,381,878.13
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Solution
The fourth proportional to 8,311,591.49, 12,456,573.14 and 3,381,878.13 is: 5,068,417.08
Step by Step Solution
- Step 1: Write the proportion equation
8,311,591.49 : 12,456,573.14 = 3,381,878.13 : x - Step 2: Convert to fraction form
8,311,591.49/12,456,573.14 = 3,381,878.13/x - Step 3: Cross multiply
8,311,591.49x = 12,456,573.14 × 3,381,878.13 - Step 4: Simplify right side
8,311,591.49x = 42,126,612,245,770 - Step 5: Solve for x
x = 42,126,612,245,770/8,311,591.49 - Step 6: Final answer
x = 5,068,417.08
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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.