Finding the Fourth Proportional to 36,150,715.68, 49,887,806.28 and 19,630,692.68
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Solution
The fourth proportional to 36,150,715.68, 49,887,806.28 and 19,630,692.68 is: 27,090,257.42
Step by Step Solution
- Step 1: Write the proportion equation
36,150,715.68 : 49,887,806.28 = 19,630,692.68 : x - Step 2: Convert to fraction form
36,150,715.68/49,887,806.28 = 19,630,692.68/x - Step 3: Cross multiply
36,150,715.68x = 49,887,806.28 × 19,630,692.68 - Step 4: Simplify right side
36,150,715.68x = 979,332,193,562,054 - Step 5: Solve for x
x = 979,332,193,562,054/36,150,715.68 - Step 6: Final answer
x = 27,090,257.42
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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.