Finding the Fourth Proportional to 11,230,431.12, 15,497,994.96 and 6,073,792.68
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Solution
The fourth proportional to 11,230,431.12, 15,497,994.96 and 6,073,792.68 is: 8,381,833.91
Step by Step Solution
- Step 1: Write the proportion equation
11,230,431.12 : 15,497,994.96 = 6,073,792.68 : x - Step 2: Convert to fraction form
11,230,431.12/15,497,994.96 = 6,073,792.68/x - Step 3: Cross multiply
11,230,431.12x = 15,497,994.96 × 6,073,792.68 - Step 4: Simplify right side
11,230,431.12x = 94,131,608,342,724.89 - Step 5: Solve for x
x = 94,131,608,342,724.89/11,230,431.12 - Step 6: Final answer
x = 8,381,833.91
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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.