Finding the Fourth Proportional to 11,073,542.10, 16,578,820.35 and 8,533,122.90
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Solution
The fourth proportional to 11,073,542.10, 16,578,820.35 and 8,533,122.90 is: 12,775,416.42
Step by Step Solution
- Step 1: Write the proportion equation
11,073,542.10 : 16,578,820.35 = 8,533,122.90 : x - Step 2: Convert to fraction form
11,073,542.10/16,578,820.35 = 8,533,122.90/x - Step 3: Cross multiply
11,073,542.10x = 16,578,820.35 × 8,533,122.90 - Step 4: Simplify right side
11,073,542.10x = 141,469,111,583,571.03 - Step 5: Solve for x
x = 141,469,111,583,571.03/11,073,542.10 - Step 6: Final answer
x = 12,775,416.42
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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.