Finding the Fourth Proportional to 11,691,608.38, 16,134,759.36 and 6,393,614.75
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Solution
The fourth proportional to 11,691,608.38, 16,134,759.36 and 6,393,614.75 is: 8,823,374.17
Step by Step Solution
- Step 1: Write the proportion equation
11,691,608.38 : 16,134,759.36 = 6,393,614.75 : x - Step 2: Convert to fraction form
11,691,608.38/16,134,759.36 = 6,393,614.75/x - Step 3: Cross multiply
11,691,608.38x = 16,134,759.36 × 6,393,614.75 - Step 4: Simplify right side
11,691,608.38x = 103,159,435,431,796.56 - Step 5: Solve for x
x = 103,159,435,431,796.56/11,691,608.38 - Step 6: Final answer
x = 8,823,374.17
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1.5x scale
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.