Finding the Fourth Proportional to 8,202,439.76, 11,319,690.67 and 4,717,772.98
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Solution
The fourth proportional to 8,202,439.76, 11,319,690.67 and 4,717,772.98 is: 6,510,712.95
Step by Step Solution
- Step 1: Write the proportion equation
8,202,439.76 : 11,319,690.67 = 4,717,772.98 : x - Step 2: Convert to fraction form
8,202,439.76/11,319,690.67 = 4,717,772.98/x - Step 3: Cross multiply
8,202,439.76x = 11,319,690.67 × 4,717,772.98 - Step 4: Simplify right side
8,202,439.76x = 53,403,730,744,790.44 - Step 5: Solve for x
x = 53,403,730,744,790.44/8,202,439.76 - Step 6: Final answer
x = 6,510,712.95
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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.