Finding the Fourth Proportional to 11,861,403.54, 16,370,252.81 and 6,634,702.18
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Solution
The fourth proportional to 11,861,403.54, 16,370,252.81 and 6,634,702.18 is: 9,156,736.94
Step by Step Solution
- Step 1: Write the proportion equation
11,861,403.54 : 16,370,252.81 = 6,634,702.18 : x - Step 2: Convert to fraction form
11,861,403.54/16,370,252.81 = 6,634,702.18/x - Step 3: Cross multiply
11,861,403.54x = 16,370,252.81 × 6,634,702.18 - Step 4: Simplify right side
11,861,403.54x = 108,611,752,005,658.12 - Step 5: Solve for x
x = 108,611,752,005,658.12/11,861,403.54 - Step 6: Final answer
x = 9,156,736.94
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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.