Finding the Fourth Proportional to 18,326,838.94, 25,289,562.80 and 10,592,382.22
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Solution
The fourth proportional to 18,326,838.94, 25,289,562.80 and 10,592,382.22 is: 14,616,634.99
Step by Step Solution
- Step 1: Write the proportion equation
18,326,838.94 : 25,289,562.80 = 10,592,382.22 : x - Step 2: Convert to fraction form
18,326,838.94/25,289,562.80 = 10,592,382.22/x - Step 3: Cross multiply
18,326,838.94x = 25,289,562.80 × 10,592,382.22 - Step 4: Simplify right side
18,326,838.94x = 267,876,715,354,293.44 - Step 5: Solve for x
x = 267,876,715,354,293.44/18,326,838.94 - Step 6: Final answer
x = 14,616,634.99
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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.