Finding the Fourth Proportional to 11,904,051.50, 16,427,707.74 and 6,471,660.14
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Solution
The fourth proportional to 11,904,051.50, 16,427,707.74 and 6,471,660.14 is: 8,930,954.42
Step by Step Solution
- Step 1: Write the proportion equation
11,904,051.50 : 16,427,707.74 = 6,471,660.14 : x - Step 2: Convert to fraction form
11,904,051.50/16,427,707.74 = 6,471,660.14/x - Step 3: Cross multiply
11,904,051.50x = 16,427,707.74 × 6,471,660.14 - Step 4: Simplify right side
11,904,051.50x = 106,314,541,372,527.48 - Step 5: Solve for x
x = 106,314,541,372,527.48/11,904,051.50 - Step 6: Final answer
x = 8,930,954.42
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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.