Finding the Fourth Proportional to 7,528,528.68, 11,286,442.98 and 3,265,485.72
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Solution
The fourth proportional to 7,528,528.68, 11,286,442.98 and 3,265,485.72 is: 4,895,474.26
Step by Step Solution
- Step 1: Write the proportion equation
7,528,528.68 : 11,286,442.98 = 3,265,485.72 : x - Step 2: Convert to fraction form
7,528,528.68/11,286,442.98 = 3,265,485.72/x - Step 3: Cross multiply
7,528,528.68x = 11,286,442.98 × 3,265,485.72 - Step 4: Simplify right side
7,528,528.68x = 36,855,718,380,784.25 - Step 5: Solve for x
x = 36,855,718,380,784.25/7,528,528.68 - Step 6: Final answer
x = 4,895,474.26
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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.