Finding the Fourth Proportional to 12,235,310.21, 16,884,341.60 and 6,728,668.07
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Solution
The fourth proportional to 12,235,310.21, 16,884,341.60 and 6,728,668.07 is: 9,285,349.39
Step by Step Solution
- Step 1: Write the proportion equation
12,235,310.21 : 16,884,341.60 = 6,728,668.07 : x - Step 2: Convert to fraction form
12,235,310.21/16,884,341.60 = 6,728,668.07/x - Step 3: Cross multiply
12,235,310.21x = 16,884,341.60 × 6,728,668.07 - Step 4: Simplify right side
12,235,310.21x = 113,609,130,173,249.38 - Step 5: Solve for x
x = 113,609,130,173,249.38/12,235,310.21 - Step 6: Final answer
x = 9,285,349.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.