Finding the Fourth Proportional to 11,007,393.80, 16,512,645.90 and 3,433,569.80
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Solution
The fourth proportional to 11,007,393.80, 16,512,645.90 and 3,433,569.80 is: 5,150,839.82
Step by Step Solution
- Step 1: Write the proportion equation
11,007,393.80 : 16,512,645.90 = 3,433,569.80 : x - Step 2: Convert to fraction form
11,007,393.80/16,512,645.90 = 3,433,569.80/x - Step 3: Cross multiply
11,007,393.80x = 16,512,645.90 × 3,433,569.80 - Step 4: Simplify right side
11,007,393.80x = 56,697,322,280,333.82 - Step 5: Solve for x
x = 56,697,322,280,333.82/11,007,393.80 - Step 6: Final answer
x = 5,150,839.82
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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.