Finding the Fourth Proportional to 9,486,198.97, 13,090,939.44 and 5,135,284.12
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Solution
The fourth proportional to 9,486,198.97, 13,090,939.44 and 5,135,284.12 is: 7,086,683.89
Step by Step Solution
- Step 1: Write the proportion equation
9,486,198.97 : 13,090,939.44 = 5,135,284.12 : x - Step 2: Convert to fraction form
9,486,198.97/13,090,939.44 = 5,135,284.12/x - Step 3: Cross multiply
9,486,198.97x = 13,090,939.44 × 5,135,284.12 - Step 4: Simplify right side
9,486,198.97x = 67,225,693,394,674.53 - Step 5: Solve for x
x = 67,225,693,394,674.53/9,486,198.97 - Step 6: Final answer
x = 7,086,683.89
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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.