Finding the Fourth Proportional to 18,294,449.54, 27,444,658.35 and 7,508,855.66
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Solution
The fourth proportional to 18,294,449.54, 27,444,658.35 and 7,508,855.66 is: 11,264,508.27
Step by Step Solution
- Step 1: Write the proportion equation
18,294,449.54 : 27,444,658.35 = 7,508,855.66 : x - Step 2: Convert to fraction form
18,294,449.54/27,444,658.35 = 7,508,855.66/x - Step 3: Cross multiply
18,294,449.54x = 27,444,658.35 × 7,508,855.66 - Step 4: Simplify right side
18,294,449.54x = 206,077,978,188,163.78 - Step 5: Solve for x
x = 206,077,978,188,163.78/18,294,449.54 - Step 6: Final answer
x = 11,264,508.27
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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.