Finding the Fourth Proportional to 18,588,654.24, 27,863,046.86 and 8,990,829.78
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Solution
The fourth proportional to 18,588,654.24, 27,863,046.86 and 8,990,829.78 is: 13,476,602.89
Step by Step Solution
- Step 1: Write the proportion equation
18,588,654.24 : 27,863,046.86 = 8,990,829.78 : x - Step 2: Convert to fraction form
18,588,654.24/27,863,046.86 = 8,990,829.78/x - Step 3: Cross multiply
18,588,654.24x = 27,863,046.86 × 8,990,829.78 - Step 4: Simplify right side
18,588,654.24x = 250,511,911,425,469.31 - Step 5: Solve for x
x = 250,511,911,425,469.31/18,588,654.24 - Step 6: Final answer
x = 13,476,602.89
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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.