Finding the Fourth Proportional to 32,436,825.12, 44,524,379.88 and 28,683,505.44
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Solution
The fourth proportional to 32,436,825.12, 44,524,379.88 and 28,683,505.44 is: 39,372,388.88
Step by Step Solution
- Step 1: Write the proportion equation
32,436,825.12 : 44,524,379.88 = 28,683,505.44 : x - Step 2: Convert to fraction form
32,436,825.12/44,524,379.88 = 28,683,505.44/x - Step 3: Cross multiply
32,436,825.12x = 44,524,379.88 × 28,683,505.44 - Step 4: Simplify right side
32,436,825.12x = 1,277,115,292,500,606.75 - Step 5: Solve for x
x = 1,277,115,292,500,606.75/32,436,825.12 - Step 6: Final answer
x = 39,372,388.88
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.