Finding the Fourth Proportional to 11,070,149.20, 16,607,556.60 and 4,677,110.80
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Solution
The fourth proportional to 11,070,149.20, 16,607,556.60 and 4,677,110.80 is: 7,016,651.80
Step by Step Solution
- Step 1: Write the proportion equation
11,070,149.20 : 16,607,556.60 = 4,677,110.80 : x - Step 2: Convert to fraction form
11,070,149.20/16,607,556.60 = 4,677,110.80/x - Step 3: Cross multiply
11,070,149.20x = 16,607,556.60 × 4,677,110.80 - Step 4: Simplify right side
11,070,149.20x = 77,675,382,335,471.28 - Step 5: Solve for x
x = 77,675,382,335,471.28/11,070,149.20 - Step 6: Final answer
x = 7,016,651.80
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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.