Finding the Fourth Proportional to 18,631,013.63, 27,946,520.44 and 5,167,841.63
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Solution
The fourth proportional to 18,631,013.63, 27,946,520.44 and 5,167,841.63 is: 7,751,762.44
Step by Step Solution
- Step 1: Write the proportion equation
18,631,013.63 : 27,946,520.44 = 5,167,841.63 : x - Step 2: Convert to fraction form
18,631,013.63/27,946,520.44 = 5,167,841.63/x - Step 3: Cross multiply
18,631,013.63x = 27,946,520.44 × 5,167,841.63 - Step 4: Simplify right side
18,631,013.63x = 144,423,191,590,825.72 - Step 5: Solve for x
x = 144,423,191,590,825.72/18,631,013.63 - Step 6: Final answer
x = 7,751,762.44
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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.