Finding the Fourth Proportional to 9,586,430.92, 13,229,207.40 and 5,235,518.44
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Solution
The fourth proportional to 9,586,430.92, 13,229,207.40 and 5,235,518.44 is: 7,224,978.71
Step by Step Solution
- Step 1: Write the proportion equation
9,586,430.92 : 13,229,207.40 = 5,235,518.44 : x - Step 2: Convert to fraction form
9,586,430.92/13,229,207.40 = 5,235,518.44/x - Step 3: Cross multiply
9,586,430.92x = 13,229,207.40 × 5,235,518.44 - Step 4: Simplify right side
9,586,430.92x = 69,261,759,289,284.46 - Step 5: Solve for x
x = 69,261,759,289,284.46/9,586,430.92 - Step 6: Final answer
x = 7,224,978.71
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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.