Finding the Fourth Proportional to 7,683,855.52, 11,524,520.50 and 2,758,867.68
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Solution
The fourth proportional to 7,683,855.52, 11,524,520.50 and 2,758,867.68 is: 4,137,848.12
Step by Step Solution
- Step 1: Write the proportion equation
7,683,855.52 : 11,524,520.50 = 2,758,867.68 : x - Step 2: Convert to fraction form
7,683,855.52/11,524,520.50 = 2,758,867.68/x - Step 3: Cross multiply
7,683,855.52x = 11,524,520.50 × 2,758,867.68 - Step 4: Simplify right side
7,683,855.52x = 31,794,627,133,915.59 - Step 5: Solve for x
x = 31,794,627,133,915.59/7,683,855.52 - Step 6: Final answer
x = 4,137,848.12
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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.