Finding the Fourth Proportional to 8,846,153.49, 12,206,375.15 and 4,978,443.99
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Solution
The fourth proportional to 8,846,153.49, 12,206,375.15 and 4,978,443.99 is: 6,869,511.71
Step by Step Solution
- Step 1: Write the proportion equation
8,846,153.49 : 12,206,375.15 = 4,978,443.99 : x - Step 2: Convert to fraction form
8,846,153.49/12,206,375.15 = 4,978,443.99/x - Step 3: Cross multiply
8,846,153.49x = 12,206,375.15 × 4,978,443.99 - Step 4: Simplify right side
8,846,153.49x = 60,768,754,980,310.63 - Step 5: Solve for x
x = 60,768,754,980,310.63/8,846,153.49 - Step 6: Final answer
x = 6,869,511.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.