Finding the Fourth Proportional to 10,911,052.70, 16,366,579.05 and 6,659,524.70
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Solution
The fourth proportional to 10,911,052.70, 16,366,579.05 and 6,659,524.70 is: 9,989,287.05
Step by Step Solution
- Step 1: Write the proportion equation
10,911,052.70 : 16,366,579.05 = 6,659,524.70 : x - Step 2: Convert to fraction form
10,911,052.70/16,366,579.05 = 6,659,524.70/x - Step 3: Cross multiply
10,911,052.70x = 16,366,579.05 × 6,659,524.70 - Step 4: Simplify right side
10,911,052.70x = 108,993,637,437,977.55 - Step 5: Solve for x
x = 108,993,637,437,977.55/10,911,052.70 - Step 6: Final answer
x = 9,989,287.05
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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.