Finding the Fourth Proportional to 7,091,638.36, 10,635,902.34 and 2,041,852.12
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Solution
The fourth proportional to 7,091,638.36, 10,635,902.34 and 2,041,852.12 is: 3,062,330.40
Step by Step Solution
- Step 1: Write the proportion equation
7,091,638.36 : 10,635,902.34 = 2,041,852.12 : x - Step 2: Convert to fraction form
7,091,638.36/10,635,902.34 = 2,041,852.12/x - Step 3: Cross multiply
7,091,638.36x = 10,635,902.34 × 2,041,852.12 - Step 4: Simplify right side
7,091,638.36x = 21,716,939,741,041.96 - Step 5: Solve for x
x = 21,716,939,741,041.96/7,091,638.36 - Step 6: Final answer
x = 3,062,330.40
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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.