Finding the Fourth Proportional to 16,390,835.40, 24,586,253.10 and 12,086,163.30
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Solution
The fourth proportional to 16,390,835.40, 24,586,253.10 and 12,086,163.30 is: 18,129,244.95
Step by Step Solution
- Step 1: Write the proportion equation
16,390,835.40 : 24,586,253.10 = 12,086,163.30 : x - Step 2: Convert to fraction form
16,390,835.40/24,586,253.10 = 12,086,163.30/x - Step 3: Cross multiply
16,390,835.40x = 24,586,253.10 × 12,086,163.30 - Step 4: Simplify right side
16,390,835.40x = 297,153,469,901,731.25 - Step 5: Solve for x
x = 297,153,469,901,731.25/16,390,835.40 - Step 6: Final answer
x = 18,129,244.95
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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.