Finding the Fourth Proportional to 11,475,099.88, 15,835,986.24 and 6,318,645.96
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Solution
The fourth proportional to 11,475,099.88, 15,835,986.24 and 6,318,645.96 is: 8,719,923.27
Step by Step Solution
- Step 1: Write the proportion equation
11,475,099.88 : 15,835,986.24 = 6,318,645.96 : x - Step 2: Convert to fraction form
11,475,099.88/15,835,986.24 = 6,318,645.96/x - Step 3: Cross multiply
11,475,099.88x = 15,835,986.24 × 6,318,645.96 - Step 4: Simplify right side
11,475,099.88x = 100,061,990,477,991.59 - Step 5: Solve for x
x = 100,061,990,477,991.59/11,475,099.88 - Step 6: Final answer
x = 8,719,923.27
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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.