Finding the Fourth Proportional to 9,621,842.16, 13,278,157.86 and 5,270,832.96
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Solution
The fourth proportional to 9,621,842.16, 13,278,157.86 and 5,270,832.96 is: 7,273,758.07
Step by Step Solution
- Step 1: Write the proportion equation
9,621,842.16 : 13,278,157.86 = 5,270,832.96 : x - Step 2: Convert to fraction form
9,621,842.16/13,278,157.86 = 5,270,832.96/x - Step 3: Cross multiply
9,621,842.16x = 13,278,157.86 × 5,270,832.96 - Step 4: Simplify right side
9,621,842.16x = 69,986,952,096,571.06 - Step 5: Solve for x
x = 69,986,952,096,571.06/9,621,842.16 - Step 6: Final answer
x = 7,273,758.07
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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.