Finding the Fourth Proportional to 11,439,912.14, 17,159,862.74 and 2,920,245.87
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Solution
The fourth proportional to 11,439,912.14, 17,159,862.74 and 2,920,245.87 is: 4,380,367.41
Step by Step Solution
- Step 1: Write the proportion equation
11,439,912.14 : 17,159,862.74 = 2,920,245.87 : x - Step 2: Convert to fraction form
11,439,912.14/17,159,862.74 = 2,920,245.87/x - Step 3: Cross multiply
11,439,912.14x = 17,159,862.74 × 2,920,245.87 - Step 4: Simplify right side
11,439,912.14x = 50,111,018,356,951.05 - Step 5: Solve for x
x = 50,111,018,356,951.05/11,439,912.14 - Step 6: Final answer
x = 4,380,367.41
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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.