Finding the Fourth Proportional to 18,448,511.10, 27,672,766.65 and 8,351,132.10
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Solution
The fourth proportional to 18,448,511.10, 27,672,766.65 and 8,351,132.10 is: 12,526,698.15
Step by Step Solution
- Step 1: Write the proportion equation
18,448,511.10 : 27,672,766.65 = 8,351,132.10 : x - Step 2: Convert to fraction form
18,448,511.10/27,672,766.65 = 8,351,132.10/x - Step 3: Cross multiply
18,448,511.10x = 27,672,766.65 × 8,351,132.10 - Step 4: Simplify right side
18,448,511.10x = 231,098,929,866,624.44 - Step 5: Solve for x
x = 231,098,929,866,624.44/18,448,511.10 - Step 6: Final answer
x = 12,526,698.15
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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.