Finding the Fourth Proportional to 11,704,138.45, 17,556,207.68 and 8,869,786.45
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Solution
The fourth proportional to 11,704,138.45, 17,556,207.68 and 8,869,786.45 is: 13,304,679.68
Step by Step Solution
- Step 1: Write the proportion equation
11,704,138.45 : 17,556,207.68 = 8,869,786.45 : x - Step 2: Convert to fraction form
11,704,138.45/17,556,207.68 = 8,869,786.45/x - Step 3: Cross multiply
11,704,138.45x = 17,556,207.68 × 8,869,786.45 - Step 4: Simplify right side
11,704,138.45x = 155,719,812,993,449.91 - Step 5: Solve for x
x = 155,719,812,993,449.91/11,704,138.45 - Step 6: Final answer
x = 13,304,679.68
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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.