Finding the Fourth Proportional to 6,805,266.30, 10,207,899.45 and 6,285,635.10
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Solution
The fourth proportional to 6,805,266.30, 10,207,899.45 and 6,285,635.10 is: 9,428,452.65
Step by Step Solution
- Step 1: Write the proportion equation
6,805,266.30 : 10,207,899.45 = 6,285,635.10 : x - Step 2: Convert to fraction form
6,805,266.30/10,207,899.45 = 6,285,635.10/x - Step 3: Cross multiply
6,805,266.30x = 10,207,899.45 × 6,285,635.10 - Step 4: Simplify right side
6,805,266.30x = 64,163,131,080,190.69 - Step 5: Solve for x
x = 64,163,131,080,190.69/6,805,266.30 - Step 6: Final answer
x = 9,428,452.65
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Double scale
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Similar ratio
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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.