Finding the Fourth Proportional to 38,397,738.60, 57,512,627.10 and 29,810,701.80
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Solution
The fourth proportional to 38,397,738.60, 57,512,627.10 and 29,810,701.80 is: 44,650,852.86
Step by Step Solution
- Step 1: Write the proportion equation
38,397,738.60 : 57,512,627.10 = 29,810,701.80 : x - Step 2: Convert to fraction form
38,397,738.60/57,512,627.10 = 29,810,701.80/x - Step 3: Cross multiply
38,397,738.60x = 57,512,627.10 × 29,810,701.80 - Step 4: Simplify right side
38,397,738.60x = 1,714,491,776,212,698.75 - Step 5: Solve for x
x = 1,714,491,776,212,698.75/38,397,738.60 - Step 6: Final answer
x = 44,650,852.86
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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.