Finding the Fourth Proportional to 22,536,891.40, 31,100,912.13 and 12,747,125.02
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Solution
The fourth proportional to 22,536,891.40, 31,100,912.13 and 12,747,125.02 is: 17,591,033.66
Step by Step Solution
- Step 1: Write the proportion equation
22,536,891.40 : 31,100,912.13 = 12,747,125.02 : x - Step 2: Convert to fraction form
22,536,891.40/31,100,912.13 = 12,747,125.02/x - Step 3: Cross multiply
22,536,891.40x = 31,100,912.13 × 12,747,125.02 - Step 4: Simplify right side
22,536,891.40x = 396,447,215,157,144.44 - Step 5: Solve for x
x = 396,447,215,157,144.44/22,536,891.40 - Step 6: Final answer
x = 17,591,033.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.