Finding the Fourth Proportional to 11,704,207.20, 17,556,310.80 and 10,287,031.20
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Solution
The fourth proportional to 11,704,207.20, 17,556,310.80 and 10,287,031.20 is: 15,430,546.80
Step by Step Solution
- Step 1: Write the proportion equation
11,704,207.20 : 17,556,310.80 = 10,287,031.20 : x - Step 2: Convert to fraction form
11,704,207.20/17,556,310.80 = 10,287,031.20/x - Step 3: Cross multiply
11,704,207.20x = 17,556,310.80 × 10,287,031.20 - Step 4: Simplify right side
11,704,207.20x = 180,602,316,956,496.97 - Step 5: Solve for x
x = 180,602,316,956,496.97/11,704,207.20 - Step 6: Final answer
x = 15,430,546.80
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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.