Finding the Fourth Proportional to 11,374,183.62, 15,704,592.66 and 7,029,226.98
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Solution
The fourth proportional to 11,374,183.62, 15,704,592.66 and 7,029,226.98 is: 9,705,412.72
Step by Step Solution
- Step 1: Write the proportion equation
11,374,183.62 : 15,704,592.66 = 7,029,226.98 : x - Step 2: Convert to fraction form
11,374,183.62/15,704,592.66 = 7,029,226.98/x - Step 3: Cross multiply
11,374,183.62x = 15,704,592.66 × 7,029,226.98 - Step 4: Simplify right side
11,374,183.62x = 110,391,146,435,581.97 - Step 5: Solve for x
x = 110,391,146,435,581.97/11,374,183.62 - Step 6: Final answer
x = 9,705,412.72
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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.