Finding the Fourth Proportional to 7,586,201.20, 11,379,301.80 and 7,533,057.10
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Solution
The fourth proportional to 7,586,201.20, 11,379,301.80 and 7,533,057.10 is: 11,299,585.65
Step by Step Solution
- Step 1: Write the proportion equation
7,586,201.20 : 11,379,301.80 = 7,533,057.10 : x - Step 2: Convert to fraction form
7,586,201.20/11,379,301.80 = 7,533,057.10/x - Step 3: Cross multiply
7,586,201.20x = 11,379,301.80 × 7,533,057.10 - Step 4: Simplify right side
7,586,201.20x = 85,720,930,217,532.78 - Step 5: Solve for x
x = 85,720,930,217,532.78/7,586,201.20 - Step 6: Final answer
x = 11,299,585.65
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Double scale
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Similar ratio
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1.5x scale
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.