Finding the Fourth Proportional to 35,989,027.84, 49,664,748.90 and 19,469,147.68
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Solution
The fourth proportional to 35,989,027.84, 49,664,748.90 and 19,469,147.68 is: 26,867,364.55
Step by Step Solution
- Step 1: Write the proportion equation
35,989,027.84 : 49,664,748.90 = 19,469,147.68 : x - Step 2: Convert to fraction form
35,989,027.84/49,664,748.90 = 19,469,147.68/x - Step 3: Cross multiply
35,989,027.84x = 49,664,748.90 × 19,469,147.68 - Step 4: Simplify right side
35,989,027.84x = 966,930,330,824,217.50 - Step 5: Solve for x
x = 966,930,330,824,217.50/35,989,027.84 - Step 6: Final answer
x = 26,867,364.55
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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.