Finding the Fourth Proportional to 11,806,876.40, 16,293,580.44 and 6,649,755.44
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Solution
The fourth proportional to 11,806,876.40, 16,293,580.44 and 6,649,755.44 is: 9,176,713.76
Step by Step Solution
- Step 1: Write the proportion equation
11,806,876.40 : 16,293,580.44 = 6,649,755.44 : x - Step 2: Convert to fraction form
11,806,876.40/16,293,580.44 = 6,649,755.44/x - Step 3: Cross multiply
11,806,876.40x = 16,293,580.44 × 6,649,755.44 - Step 4: Simplify right side
11,806,876.40x = 108,348,325,167,967.59 - Step 5: Solve for x
x = 108,348,325,167,967.59/11,806,876.40 - Step 6: Final answer
x = 9,176,713.76
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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.