Finding the Fourth Proportional to 7,577,628.96, 11,373,629.28 and 4,690,261.68
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Solution
The fourth proportional to 7,577,628.96, 11,373,629.28 and 4,690,261.68 is: 7,039,840.28
Step by Step Solution
- Step 1: Write the proportion equation
7,577,628.96 : 11,373,629.28 = 4,690,261.68 : x - Step 2: Convert to fraction form
7,577,628.96/11,373,629.28 = 4,690,261.68/x - Step 3: Cross multiply
7,577,628.96x = 11,373,629.28 × 4,690,261.68 - Step 4: Simplify right side
7,577,628.96x = 53,345,297,574,509.98 - Step 5: Solve for x
x = 53,345,297,574,509.98/7,577,628.96 - Step 6: Final answer
x = 7,039,840.28
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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.