Finding the Fourth Proportional to 11,324,565.36, 16,970,051.34 and 8,318,052.72
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Solution
The fourth proportional to 11,324,565.36, 16,970,051.34 and 8,318,052.72 is: 12,464,741.67
Step by Step Solution
- Step 1: Write the proportion equation
11,324,565.36 : 16,970,051.34 = 8,318,052.72 : x - Step 2: Convert to fraction form
11,324,565.36/16,970,051.34 = 8,318,052.72/x - Step 3: Cross multiply
11,324,565.36x = 16,970,051.34 × 8,318,052.72 - Step 4: Simplify right side
11,324,565.36x = 141,157,781,707,226.62 - Step 5: Solve for x
x = 141,157,781,707,226.62/11,324,565.36 - Step 6: Final answer
x = 12,464,741.67
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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.