Finding the Fourth Proportional to 15,013,546, 20,718,138.20 and 8,137,880.44
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Solution
The fourth proportional to 15,013,546, 20,718,138.20 and 8,137,880.44 is: 11,229,974.03
Step by Step Solution
- Step 1: Write the proportion equation
15,013,546 : 20,718,138.20 = 8,137,880.44 : x - Step 2: Convert to fraction form
15,013,546/20,718,138.20 = 8,137,880.44/x - Step 3: Cross multiply
15,013,546x = 20,718,138.20 × 8,137,880.44 - Step 4: Simplify right side
15,013,546x = 168,601,731,610,996.81 - Step 5: Solve for x
x = 168,601,731,610,996.81/15,013,546 - Step 6: Final answer
x = 11,229,974.03
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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.