Finding the Fourth Proportional to 11,252,641.20, 16,860,508.77 and 4,770,537.09
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Solution
The fourth proportional to 11,252,641.20, 16,860,508.77 and 4,770,537.09 is: 7,147,982.51
Step by Step Solution
- Step 1: Write the proportion equation
11,252,641.20 : 16,860,508.77 = 4,770,537.09 : x - Step 2: Convert to fraction form
11,252,641.20/16,860,508.77 = 4,770,537.09/x - Step 3: Cross multiply
11,252,641.20x = 16,860,508.77 × 4,770,537.09 - Step 4: Simplify right side
11,252,641.20x = 80,433,682,443,555.28 - Step 5: Solve for x
x = 80,433,682,443,555.28/11,252,641.20 - Step 6: Final answer
x = 7,147,982.51
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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.