Finding the Fourth Proportional to 8,529,087.20, 12,795,845.20 and 2,545,455.84
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Solution
The fourth proportional to 8,529,087.20, 12,795,845.20 and 2,545,455.84 is: 3,818,844.63
Step by Step Solution
- Step 1: Write the proportion equation
8,529,087.20 : 12,795,845.20 = 2,545,455.84 : x - Step 2: Convert to fraction form
8,529,087.20/12,795,845.20 = 2,545,455.84/x - Step 3: Cross multiply
8,529,087.20x = 12,795,845.20 × 2,545,455.84 - Step 4: Simplify right side
8,529,087.20x = 32,571,258,892,075.96 - Step 5: Solve for x
x = 32,571,258,892,075.96/8,529,087.20 - Step 6: Final answer
x = 3,818,844.63
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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.