Finding the Fourth Proportional to 7,680,293.53, 11,516,583.17 and 2,560,911.08
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Solution
The fourth proportional to 7,680,293.53, 11,516,583.17 and 2,560,911.08 is: 3,840,080.50
Step by Step Solution
- Step 1: Write the proportion equation
7,680,293.53 : 11,516,583.17 = 2,560,911.08 : x - Step 2: Convert to fraction form
7,680,293.53/11,516,583.17 = 2,560,911.08/x - Step 3: Cross multiply
7,680,293.53x = 11,516,583.17 × 2,560,911.08 - Step 4: Simplify right side
7,680,293.53x = 29,492,945,392,613.89 - Step 5: Solve for x
x = 29,492,945,392,613.89/7,680,293.53 - Step 6: Final answer
x = 3,840,080.50
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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.