Finding the Fourth Proportional to 6,904,380.12, 9,532,126.62 and 6,138,313.08
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Solution
The fourth proportional to 6,904,380.12, 9,532,126.62 and 6,138,313.08 is: 8,474,501.19
Step by Step Solution
- Step 1: Write the proportion equation
6,904,380.12 : 9,532,126.62 = 6,138,313.08 : x - Step 2: Convert to fraction form
6,904,380.12/9,532,126.62 = 6,138,313.08/x - Step 3: Cross multiply
6,904,380.12x = 9,532,126.62 × 6,138,313.08 - Step 4: Simplify right side
6,904,380.12x = 58,511,177,511,762.19 - Step 5: Solve for x
x = 58,511,177,511,762.19/6,904,380.12 - Step 6: Final answer
x = 8,474,501.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.