Finding the Fourth Proportional to 11,230,439.40, 16,845,659.10 and 4,042,207.80
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Solution
The fourth proportional to 11,230,439.40, 16,845,659.10 and 4,042,207.80 is: 6,063,311.70
Step by Step Solution
- Step 1: Write the proportion equation
11,230,439.40 : 16,845,659.10 = 4,042,207.80 : x - Step 2: Convert to fraction form
11,230,439.40/16,845,659.10 = 4,042,207.80/x - Step 3: Cross multiply
11,230,439.40x = 16,845,659.10 × 4,042,207.80 - Step 4: Simplify right side
11,230,439.40x = 68,093,654,610,160.98 - Step 5: Solve for x
x = 68,093,654,610,160.98/11,230,439.40 - Step 6: Final answer
x = 6,063,311.70
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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.