Finding the Fourth Proportional to 38,987,452.96, 53,808,315.68 and 22,464,414.24
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Solution
The fourth proportional to 38,987,452.96, 53,808,315.68 and 22,464,414.24 is: 31,004,135.98
Step by Step Solution
- Step 1: Write the proportion equation
38,987,452.96 : 53,808,315.68 = 22,464,414.24 : x - Step 2: Convert to fraction form
38,987,452.96/53,808,315.68 = 22,464,414.24/x - Step 3: Cross multiply
38,987,452.96x = 53,808,315.68 × 22,464,414.24 - Step 4: Simplify right side
38,987,452.96x = 1,208,772,292,992,207.25 - Step 5: Solve for x
x = 1,208,772,292,992,207.25/38,987,452.96 - Step 6: Final answer
x = 31,004,135.98
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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.