Finding the Fourth Proportional to 8,631,106.94, 11,910,868.91 and 4,763,627.99
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Solution
The fourth proportional to 8,631,106.94, 11,910,868.91 and 4,763,627.99 is: 6,573,774.24
Step by Step Solution
- Step 1: Write the proportion equation
8,631,106.94 : 11,910,868.91 = 4,763,627.99 : x - Step 2: Convert to fraction form
8,631,106.94/11,910,868.91 = 4,763,627.99/x - Step 3: Cross multiply
8,631,106.94x = 11,910,868.91 × 4,763,627.99 - Step 4: Simplify right side
8,631,106.94x = 56,738,948,441,524.30 - Step 5: Solve for x
x = 56,738,948,441,524.30/8,631,106.94 - Step 6: Final answer
x = 6,573,774.24
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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.