Finding the Fourth Proportional to 18,283,295.82, 27,433,930.25 and 7,353,049.12
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Solution
The fourth proportional to 18,283,295.82, 27,433,930.25 and 7,353,049.12 is: 11,033,187.82
Step by Step Solution
- Step 1: Write the proportion equation
18,283,295.82 : 27,433,930.25 = 7,353,049.12 : x - Step 2: Convert to fraction form
18,283,295.82/27,433,930.25 = 7,353,049.12/x - Step 3: Cross multiply
18,283,295.82x = 27,433,930.25 × 7,353,049.12 - Step 4: Simplify right side
18,283,295.82x = 201,723,036,682,903.88 - Step 5: Solve for x
x = 201,723,036,682,903.88/18,283,295.82 - Step 6: Final answer
x = 11,033,187.82
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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.