Finding the Fourth Proportional to 8,222,920.56, 12,334,379.88 and 2,543,193.84
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Solution
The fourth proportional to 8,222,920.56, 12,334,379.88 and 2,543,193.84 is: 3,814,790.46
Step by Step Solution
- Step 1: Write the proportion equation
8,222,920.56 : 12,334,379.88 = 2,543,193.84 : x - Step 2: Convert to fraction form
8,222,920.56/12,334,379.88 = 2,543,193.84/x - Step 3: Cross multiply
8,222,920.56x = 12,334,379.88 × 2,543,193.84 - Step 4: Simplify right side
8,222,920.56x = 31,368,718,931,035.94 - Step 5: Solve for x
x = 31,368,718,931,035.94/8,222,920.56 - Step 6: Final answer
x = 3,814,790.46
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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.