Finding the Fourth Proportional to 11,994,772.76, 16,535,568.60 and 8,551,035.08
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Solution
The fourth proportional to 11,994,772.76, 16,535,568.60 and 8,551,035.08 is: 11,788,153.89
Step by Step Solution
- Step 1: Write the proportion equation
11,994,772.76 : 16,535,568.60 = 8,551,035.08 : x - Step 2: Convert to fraction form
11,994,772.76/16,535,568.60 = 8,551,035.08/x - Step 3: Cross multiply
11,994,772.76x = 16,535,568.60 × 8,551,035.08 - Step 4: Simplify right side
11,994,772.76x = 141,396,227,166,346.50 - Step 5: Solve for x
x = 141,396,227,166,346.50/11,994,772.76 - Step 6: Final answer
x = 11,788,153.89
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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.