Finding the Fourth Proportional to 18,170,884.08, 27,268,447.06 and 9,425,222.95
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Solution
The fourth proportional to 18,170,884.08, 27,268,447.06 and 9,425,222.95 is: 14,144,121.55
Step by Step Solution
- Step 1: Write the proportion equation
18,170,884.08 : 27,268,447.06 = 9,425,222.95 : x - Step 2: Convert to fraction form
18,170,884.08/27,268,447.06 = 9,425,222.95/x - Step 3: Cross multiply
18,170,884.08x = 27,268,447.06 × 9,425,222.95 - Step 4: Simplify right side
18,170,884.08x = 257,011,193,040,772 - Step 5: Solve for x
x = 257,011,193,040,772/18,170,884.08 - Step 6: Final answer
x = 14,144,121.55
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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.