Finding the Fourth Proportional to 18,475,175.20, 25,494,939.12 and 10,102,390.96
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Solution
The fourth proportional to 18,475,175.20, 25,494,939.12 and 10,102,390.96 is: 13,940,860.63
Step by Step Solution
- Step 1: Write the proportion equation
18,475,175.20 : 25,494,939.12 = 10,102,390.96 : x - Step 2: Convert to fraction form
18,475,175.20/25,494,939.12 = 10,102,390.96/x - Step 3: Cross multiply
18,475,175.20x = 25,494,939.12 × 10,102,390.96 - Step 4: Simplify right side
18,475,175.20x = 257,559,842,491,638.38 - Step 5: Solve for x
x = 257,559,842,491,638.38/18,475,175.20 - Step 6: Final answer
x = 13,940,860.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.