Finding the Fourth Proportional to 8,161,701.75, 11,262,916.11 and 4,490,620.80
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Solution
The fourth proportional to 8,161,701.75, 11,262,916.11 and 4,490,620.80 is: 6,196,928.89
Step by Step Solution
- Step 1: Write the proportion equation
8,161,701.75 : 11,262,916.11 = 4,490,620.80 : x - Step 2: Convert to fraction form
8,161,701.75/11,262,916.11 = 4,490,620.80/x - Step 3: Cross multiply
8,161,701.75x = 11,262,916.11 × 4,490,620.80 - Step 4: Simplify right side
8,161,701.75x = 50,577,485,352,221.09 - Step 5: Solve for x
x = 50,577,485,352,221.09/8,161,701.75 - Step 6: Final answer
x = 6,196,928.89
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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.