Finding the Fourth Proportional to 13,190,172.06, 19,756,025.18 and 10,135,049.70
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Solution
The fourth proportional to 13,190,172.06, 19,756,025.18 and 10,135,049.70 is: 15,180,112.60
Step by Step Solution
- Step 1: Write the proportion equation
13,190,172.06 : 19,756,025.18 = 10,135,049.70 : x - Step 2: Convert to fraction form
13,190,172.06/19,756,025.18 = 10,135,049.70/x - Step 3: Cross multiply
13,190,172.06x = 19,756,025.18 × 10,135,049.70 - Step 4: Simplify right side
13,190,172.06x = 200,228,297,073,751.44 - Step 5: Solve for x
x = 200,228,297,073,751.44/13,190,172.06 - Step 6: Final answer
x = 15,180,112.60
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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.