Finding the Fourth Proportional to 16,503,148.17, 24,771,013.79 and 12,390,163.92
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Solution
The fourth proportional to 16,503,148.17, 24,771,013.79 and 12,390,163.92 is: 18,597,477.17
Step by Step Solution
- Step 1: Write the proportion equation
16,503,148.17 : 24,771,013.79 = 12,390,163.92 : x - Step 2: Convert to fraction form
16,503,148.17/24,771,013.79 = 12,390,163.92/x - Step 3: Cross multiply
16,503,148.17x = 24,771,013.79 × 12,390,163.92 - Step 4: Simplify right side
16,503,148.17x = 306,916,921,260,729.62 - Step 5: Solve for x
x = 306,916,921,260,729.62/16,503,148.17 - Step 6: Final answer
x = 18,597,477.17
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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.