Finding the Fourth Proportional to 12,045,891.62, 18,046,915.35 and 10,754,489.99
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Solution
The fourth proportional to 12,045,891.62, 18,046,915.35 and 10,754,489.99 is: 16,112,163.10
Step by Step Solution
- Step 1: Write the proportion equation
12,045,891.62 : 18,046,915.35 = 10,754,489.99 : x - Step 2: Convert to fraction form
12,045,891.62/18,046,915.35 = 10,754,489.99/x - Step 3: Cross multiply
12,045,891.62x = 18,046,915.35 × 10,754,489.99 - Step 4: Simplify right side
12,045,891.62x = 194,085,370,481,952.38 - Step 5: Solve for x
x = 194,085,370,481,952.38/12,045,891.62 - Step 6: Final answer
x = 16,112,163.10
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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.