Finding the Fourth Proportional to 22,051,750.95, 30,431,441.25 and 12,261,984.84
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Solution
The fourth proportional to 22,051,750.95, 30,431,441.25 and 12,261,984.84 is: 16,921,552.95
Step by Step Solution
- Step 1: Write the proportion equation
22,051,750.95 : 30,431,441.25 = 12,261,984.84 : x - Step 2: Convert to fraction form
22,051,750.95/30,431,441.25 = 12,261,984.84/x - Step 3: Cross multiply
22,051,750.95x = 30,431,441.25 × 12,261,984.84 - Step 4: Simplify right side
22,051,750.95x = 373,149,871,266,850.62 - Step 5: Solve for x
x = 373,149,871,266,850.62/22,051,750.95 - Step 6: Final answer
x = 16,921,552.95
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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.