Finding the Fourth Proportional to 7,658,990, 11,490,453.84 and 2,866,748.12
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Solution
The fourth proportional to 7,658,990, 11,490,453.84 and 2,866,748.12 is: 4,300,859.11
Step by Step Solution
- Step 1: Write the proportion equation
7,658,990 : 11,490,453.84 = 2,866,748.12 : x - Step 2: Convert to fraction form
7,658,990/11,490,453.84 = 2,866,748.12/x - Step 3: Cross multiply
7,658,990x = 11,490,453.84 × 2,866,748.12 - Step 4: Simplify right side
7,658,990x = 32,940,236,943,766.78 - Step 5: Solve for x
x = 32,940,236,943,766.78/7,658,990 - Step 6: Final answer
x = 4,300,859.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.