Finding the Fourth Proportional to 10,928,373.80, 16,392,560.70 and 6,676,845.80
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Solution
The fourth proportional to 10,928,373.80, 16,392,560.70 and 6,676,845.80 is: 10,015,268.70
Step by Step Solution
- Step 1: Write the proportion equation
10,928,373.80 : 16,392,560.70 = 6,676,845.80 : x - Step 2: Convert to fraction form
10,928,373.80/16,392,560.70 = 6,676,845.80/x - Step 3: Cross multiply
10,928,373.80x = 16,392,560.70 × 6,676,845.80 - Step 4: Simplify right side
10,928,373.80x = 109,450,600,061,040.05 - Step 5: Solve for x
x = 109,450,600,061,040.05/10,928,373.80 - Step 6: Final answer
x = 10,015,268.70
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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.