Finding the Fourth Proportional to 7,162,321.08, 10,740,328.98 and 3,795,739.32
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Solution
The fourth proportional to 7,162,321.08, 10,740,328.98 and 3,795,739.32 is: 5,691,938.21
Step by Step Solution
- Step 1: Write the proportion equation
7,162,321.08 : 10,740,328.98 = 3,795,739.32 : x - Step 2: Convert to fraction form
7,162,321.08/10,740,328.98 = 3,795,739.32/x - Step 3: Cross multiply
7,162,321.08x = 10,740,328.98 × 3,795,739.32 - Step 4: Simplify right side
7,162,321.08x = 40,767,489,019,121.49 - Step 5: Solve for x
x = 40,767,489,019,121.49/7,162,321.08 - Step 6: Final answer
x = 5,691,938.21
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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.