Finding the Fourth Proportional to 6,904,383.12, 9,532,130.76 and 6,138,316.08
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Solution
The fourth proportional to 6,904,383.12, 9,532,130.76 and 6,138,316.08 is: 8,474,505.33
Step by Step Solution
- Step 1: Write the proportion equation
6,904,383.12 : 9,532,130.76 = 6,138,316.08 : x - Step 2: Convert to fraction form
6,904,383.12/9,532,130.76 = 6,138,316.08/x - Step 3: Cross multiply
6,904,383.12x = 9,532,130.76 × 6,138,316.08 - Step 4: Simplify right side
6,904,383.12x = 58,511,231,520,770.62 - Step 5: Solve for x
x = 58,511,231,520,770.62/6,904,383.12 - Step 6: Final answer
x = 8,474,505.33
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1.5x scale
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.