Finding the Fourth Proportional to 11,451,343.30, 17,177,014.95 and 5,479,375.30
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Solution
The fourth proportional to 11,451,343.30, 17,177,014.95 and 5,479,375.30 is: 8,219,062.95
Step by Step Solution
- Step 1: Write the proportion equation
11,451,343.30 : 17,177,014.95 = 5,479,375.30 : x - Step 2: Convert to fraction form
11,451,343.30/17,177,014.95 = 5,479,375.30/x - Step 3: Cross multiply
11,451,343.30x = 17,177,014.95 × 5,479,375.30 - Step 4: Simplify right side
11,451,343.30x = 94,119,311,444,760.73 - Step 5: Solve for x
x = 94,119,311,444,760.73/11,451,343.30 - Step 6: Final answer
x = 8,219,062.95
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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.