Finding the Fourth Proportional to 7,396,372.80, 11,075,896.80 and 5,903,380.80
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Solution
The fourth proportional to 7,396,372.80, 11,075,896.80 and 5,903,380.80 is: 8,840,175.89
Step by Step Solution
- Step 1: Write the proportion equation
7,396,372.80 : 11,075,896.80 = 5,903,380.80 : x - Step 2: Convert to fraction form
7,396,372.80/11,075,896.80 = 5,903,380.80/x - Step 3: Cross multiply
7,396,372.80x = 11,075,896.80 × 5,903,380.80 - Step 4: Simplify right side
7,396,372.80x = 65,385,236,511,901.45 - Step 5: Solve for x
x = 65,385,236,511,901.45/7,396,372.80 - Step 6: Final answer
x = 8,840,175.89
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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.