Finding the Fourth Proportional to 7,802,836.05, 11,704,254.08 and 6,858,052.05
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Solution
The fourth proportional to 7,802,836.05, 11,704,254.08 and 6,858,052.05 is: 10,287,078.08
Step by Step Solution
- Step 1: Write the proportion equation
7,802,836.05 : 11,704,254.08 = 6,858,052.05 : x - Step 2: Convert to fraction form
7,802,836.05/11,704,254.08 = 6,858,052.05/x - Step 3: Cross multiply
7,802,836.05x = 11,704,254.08 × 6,858,052.05 - Step 4: Simplify right side
7,802,836.05x = 80,268,383,652,774.59 - Step 5: Solve for x
x = 80,268,383,652,774.59/7,802,836.05 - Step 6: Final answer
x = 10,287,078.08
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1.5x scale
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.