Finding the Fourth Proportional to 8,341,757.62, 11,511,117.66 and 4,620,368.06
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Solution
The fourth proportional to 8,341,757.62, 11,511,117.66 and 4,620,368.06 is: 6,375,826.63
Step by Step Solution
- Step 1: Write the proportion equation
8,341,757.62 : 11,511,117.66 = 4,620,368.06 : x - Step 2: Convert to fraction form
8,341,757.62/11,511,117.66 = 4,620,368.06/x - Step 3: Cross multiply
8,341,757.62x = 11,511,117.66 × 4,620,368.06 - Step 4: Simplify right side
8,341,757.62x = 53,185,600,371,165.94 - Step 5: Solve for x
x = 53,185,600,371,165.94/8,341,757.62 - Step 6: Final answer
x = 6,375,826.63
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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.