Finding the Fourth Proportional to 8,151,057.63, 12,225,836.79 and 2,759,091.75
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Solution
The fourth proportional to 8,151,057.63, 12,225,836.79 and 2,759,091.75 is: 4,138,383.87
Step by Step Solution
- Step 1: Write the proportion equation
8,151,057.63 : 12,225,836.79 = 2,759,091.75 : x - Step 2: Convert to fraction form
8,151,057.63/12,225,836.79 = 2,759,091.75/x - Step 3: Cross multiply
8,151,057.63x = 12,225,836.79 × 2,759,091.75 - Step 4: Simplify right side
8,151,057.63x = 33,732,205,424,135.48 - Step 5: Solve for x
x = 33,732,205,424,135.48/8,151,057.63 - Step 6: Final answer
x = 4,138,383.87
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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.