Finding the Fourth Proportional to 8,290,571.04, 12,438,163.70 and 3,617,056.99
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Solution
The fourth proportional to 8,290,571.04, 12,438,163.70 and 3,617,056.99 is: 5,426,592.05
Step by Step Solution
- Step 1: Write the proportion equation
8,290,571.04 : 12,438,163.70 = 3,617,056.99 : x - Step 2: Convert to fraction form
8,290,571.04/12,438,163.70 = 3,617,056.99/x - Step 3: Cross multiply
8,290,571.04x = 12,438,163.70 × 3,617,056.99 - Step 4: Simplify right side
8,290,571.04x = 44,989,546,918,232.53 - Step 5: Solve for x
x = 44,989,546,918,232.53/8,290,571.04 - Step 6: Final answer
x = 5,426,592.05
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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.