Finding the Fourth Proportional to 7,355,818.68, 11,005,734.42 and 4,426,912.44
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Solution
The fourth proportional to 7,355,818.68, 11,005,734.42 and 4,426,912.44 is: 6,623,521.42
Step by Step Solution
- Step 1: Write the proportion equation
7,355,818.68 : 11,005,734.42 = 4,426,912.44 : x - Step 2: Convert to fraction form
7,355,818.68/11,005,734.42 = 4,426,912.44/x - Step 3: Cross multiply
7,355,818.68x = 11,005,734.42 × 4,426,912.44 - Step 4: Simplify right side
7,355,818.68x = 48,721,422,615,234.19 - Step 5: Solve for x
x = 48,721,422,615,234.19/7,355,818.68 - Step 6: Final answer
x = 6,623,521.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.