Finding the Fourth Proportional to 18,102,459.33, 27,153,087.57 and 7,867,329.41
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Solution
The fourth proportional to 18,102,459.33, 27,153,087.57 and 7,867,329.41 is: 11,800,732.73
Step by Step Solution
- Step 1: Write the proportion equation
18,102,459.33 : 27,153,087.57 = 7,867,329.41 : x - Step 2: Convert to fraction form
18,102,459.33/27,153,087.57 = 7,867,329.41/x - Step 3: Cross multiply
18,102,459.33x = 27,153,087.57 × 7,867,329.41 - Step 4: Simplify right side
18,102,459.33x = 213,622,284,276,001 - Step 5: Solve for x
x = 213,622,284,276,001/18,102,459.33 - Step 6: Final answer
x = 11,800,732.73
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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.