Finding the Fourth Proportional to 7,135,910.13, 9,847,561.04 and 3,872,724.08
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Solution
The fourth proportional to 7,135,910.13, 9,847,561.04 and 3,872,724.08 is: 5,344,361.98
Step by Step Solution
- Step 1: Write the proportion equation
7,135,910.13 : 9,847,561.04 = 3,872,724.08 : x - Step 2: Convert to fraction form
7,135,910.13/9,847,561.04 = 3,872,724.08/x - Step 3: Cross multiply
7,135,910.13x = 9,847,561.04 × 3,872,724.08 - Step 4: Simplify right side
7,135,910.13x = 38,136,886,768,877.84 - Step 5: Solve for x
x = 38,136,886,768,877.84/7,135,910.13 - Step 6: Final answer
x = 5,344,361.98
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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.