Finding the Fourth Proportional to 11,504,419.16, 15,876,430.74 and 6,348,112.76
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Solution
The fourth proportional to 11,504,419.16, 15,876,430.74 and 6,348,112.76 is: 8,760,578.97
Step by Step Solution
- Step 1: Write the proportion equation
11,504,419.16 : 15,876,430.74 = 6,348,112.76 : x - Step 2: Convert to fraction form
11,504,419.16/15,876,430.74 = 6,348,112.76/x - Step 3: Cross multiply
11,504,419.16x = 15,876,430.74 × 6,348,112.76 - Step 4: Simplify right side
11,504,419.16x = 100,785,372,563,850.23 - Step 5: Solve for x
x = 100,785,372,563,850.23/11,504,419.16 - Step 6: Final answer
x = 8,760,578.97
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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.