Finding the Fourth Proportional to 29,682,315.09, 40,965,919.16 and 16,630,456.23
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Solution
The fourth proportional to 29,682,315.09, 40,965,919.16 and 16,630,456.23 is: 22,952,452.44
Step by Step Solution
- Step 1: Write the proportion equation
29,682,315.09 : 40,965,919.16 = 16,630,456.23 : x - Step 2: Convert to fraction form
29,682,315.09/40,965,919.16 = 16,630,456.23/x - Step 3: Cross multiply
29,682,315.09x = 40,965,919.16 × 16,630,456.23 - Step 4: Simplify right side
29,682,315.09x = 681,281,925,428,946.12 - Step 5: Solve for x
x = 681,281,925,428,946.12/29,682,315.09 - Step 6: Final answer
x = 22,952,452.44
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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.