Finding the Fourth Proportional to 8,173,680.96, 11,279,675.52 and 4,737,912.96
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Solution
The fourth proportional to 8,173,680.96, 11,279,675.52 and 4,737,912.96 is: 6,538,317.45
Step by Step Solution
- Step 1: Write the proportion equation
8,173,680.96 : 11,279,675.52 = 4,737,912.96 : x - Step 2: Convert to fraction form
8,173,680.96/11,279,675.52 = 4,737,912.96/x - Step 3: Cross multiply
8,173,680.96x = 11,279,675.52 × 4,737,912.96 - Step 4: Simplify right side
8,173,680.96x = 53,442,120,830,802.73 - Step 5: Solve for x
x = 53,442,120,830,802.73/8,173,680.96 - Step 6: Final answer
x = 6,538,317.45
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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.