Finding the Fourth Proportional to 14,793,861.98, 20,413,761.43 and 8,177,556.68
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Solution
The fourth proportional to 14,793,861.98, 20,413,761.43 and 8,177,556.68 is: 11,284,050.86
Step by Step Solution
- Step 1: Write the proportion equation
14,793,861.98 : 20,413,761.43 = 8,177,556.68 : x - Step 2: Convert to fraction form
14,793,861.98/20,413,761.43 = 8,177,556.68/x - Step 3: Cross multiply
14,793,861.98x = 20,413,761.43 × 8,177,556.68 - Step 4: Simplify right side
14,793,861.98x = 166,934,691,099,861.75 - Step 5: Solve for x
x = 166,934,691,099,861.75/14,793,861.98 - Step 6: Final answer
x = 11,284,050.86
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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.