Finding the Fourth Proportional to 9,458,879.10, 14,188,318.65 and 5,679,743.10
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Solution
The fourth proportional to 9,458,879.10, 14,188,318.65 and 5,679,743.10 is: 8,519,614.65
Step by Step Solution
- Step 1: Write the proportion equation
9,458,879.10 : 14,188,318.65 = 5,679,743.10 : x - Step 2: Convert to fraction form
9,458,879.10/14,188,318.65 = 5,679,743.10/x - Step 3: Cross multiply
9,458,879.10x = 14,188,318.65 × 5,679,743.10 - Step 4: Simplify right side
9,458,879.10x = 80,586,004,952,938.81 - Step 5: Solve for x
x = 80,586,004,952,938.81/9,458,879.10 - Step 6: Final answer
x = 8,519,614.65
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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.