Finding the Fourth Proportional to 11,504,609.80, 15,876,349.50 and 6,347,971.06
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Solution
The fourth proportional to 11,504,609.80, 15,876,349.50 and 6,347,971.06 is: 8,760,193.43
Step by Step Solution
- Step 1: Write the proportion equation
11,504,609.80 : 15,876,349.50 = 6,347,971.06 : x - Step 2: Convert to fraction form
11,504,609.80/15,876,349.50 = 6,347,971.06/x - Step 3: Cross multiply
11,504,609.80x = 15,876,349.50 × 6,347,971.06 - Step 4: Simplify right side
11,504,609.80x = 100,782,607,164,445.47 - Step 5: Solve for x
x = 100,782,607,164,445.47/11,504,609.80 - Step 6: Final answer
x = 8,760,193.43
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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.