Finding the Fourth Proportional to 24,392,911.68, 33,661,984.32 and 13,379,433.12
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Solution
The fourth proportional to 24,392,911.68, 33,661,984.32 and 13,379,433.12 is: 18,463,489.47
Step by Step Solution
- Step 1: Write the proportion equation
24,392,911.68 : 33,661,984.32 = 13,379,433.12 : x - Step 2: Convert to fraction form
24,392,911.68/33,661,984.32 = 13,379,433.12/x - Step 3: Cross multiply
24,392,911.68x = 33,661,984.32 × 13,379,433.12 - Step 4: Simplify right side
24,392,911.68x = 450,378,267,895,928.62 - Step 5: Solve for x
x = 450,378,267,895,928.62/24,392,911.68 - Step 6: Final answer
x = 18,463,489.47
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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.