Finding the Fourth Proportional to 36,757,578.24, 55,142,933.76 and 12,495,230.64
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Solution
The fourth proportional to 36,757,578.24, 55,142,933.76 and 12,495,230.64 is: 18,745,078.12
Step by Step Solution
- Step 1: Write the proportion equation
36,757,578.24 : 55,142,933.76 = 12,495,230.64 : x - Step 2: Convert to fraction form
36,757,578.24/55,142,933.76 = 12,495,230.64/x - Step 3: Cross multiply
36,757,578.24x = 55,142,933.76 × 12,495,230.64 - Step 4: Simplify right side
36,757,578.24x = 689,023,675,497,442.38 - Step 5: Solve for x
x = 689,023,675,497,442.38/36,757,578.24 - Step 6: Final answer
x = 18,745,078.12
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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.