Finding the Fourth Proportional to 8,093,630.40, 12,136,946.40 and 4,048,555.20
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Solution
The fourth proportional to 8,093,630.40, 12,136,946.40 and 4,048,555.20 is: 6,071,082.45
Step by Step Solution
- Step 1: Write the proportion equation
8,093,630.40 : 12,136,946.40 = 4,048,555.20 : x - Step 2: Convert to fraction form
8,093,630.40/12,136,946.40 = 4,048,555.20/x - Step 3: Cross multiply
8,093,630.40x = 12,136,946.40 × 4,048,555.20 - Step 4: Simplify right side
8,093,630.40x = 49,137,097,459,841.28 - Step 5: Solve for x
x = 49,137,097,459,841.28/8,093,630.40 - Step 6: Final answer
x = 6,071,082.45
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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.