Finding the Fourth Proportional to 25,664,311.13, 38,498,237.96 and 7,468,657.02
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Solution
The fourth proportional to 25,664,311.13, 38,498,237.96 and 7,468,657.02 is: 11,203,500.99
Step by Step Solution
- Step 1: Write the proportion equation
25,664,311.13 : 38,498,237.96 = 7,468,657.02 : x - Step 2: Convert to fraction form
25,664,311.13/38,498,237.96 = 7,468,657.02/x - Step 3: Cross multiply
25,664,311.13x = 38,498,237.96 × 7,468,657.02 - Step 4: Simplify right side
25,664,311.13x = 287,530,135,160,241.19 - Step 5: Solve for x
x = 287,530,135,160,241.19/25,664,311.13 - Step 6: Final answer
x = 11,203,500.99
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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.