Finding the Fourth Proportional to 12,079,702.26, 18,117,213.98 and 4,693,737.17
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Solution
The fourth proportional to 12,079,702.26, 18,117,213.98 and 4,693,737.17 is: 7,039,696.75
Step by Step Solution
- Step 1: Write the proportion equation
12,079,702.26 : 18,117,213.98 = 4,693,737.17 : x - Step 2: Convert to fraction form
12,079,702.26/18,117,213.98 = 4,693,737.17/x - Step 3: Cross multiply
12,079,702.26x = 18,117,213.98 × 4,693,737.17 - Step 4: Simplify right side
12,079,702.26x = 85,037,440,696,594 - Step 5: Solve for x
x = 85,037,440,696,594/12,079,702.26 - Step 6: Final answer
x = 7,039,696.75
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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.