Finding the Fourth Proportional to 8,002,797.12, 11,043,860.40 and 4,381,125.12
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Solution
The fourth proportional to 8,002,797.12, 11,043,860.40 and 4,381,125.12 is: 6,045,952.87
Step by Step Solution
- Step 1: Write the proportion equation
8,002,797.12 : 11,043,860.40 = 4,381,125.12 : x - Step 2: Convert to fraction form
8,002,797.12/11,043,860.40 = 4,381,125.12/x - Step 3: Cross multiply
8,002,797.12x = 11,043,860.40 × 4,381,125.12 - Step 4: Simplify right side
8,002,797.12x = 48,384,534,220,213.25 - Step 5: Solve for x
x = 48,384,534,220,213.25/8,002,797.12 - Step 6: Final answer
x = 6,045,952.87
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1.5x scale
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.