Finding the Fourth Proportional to 37,245,874.44, 51,398,811.72 and 20,948,350.44
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Solution
The fourth proportional to 37,245,874.44, 51,398,811.72 and 20,948,350.44 is: 28,908,445.20
Step by Step Solution
- Step 1: Write the proportion equation
37,245,874.44 : 51,398,811.72 = 20,948,350.44 : x - Step 2: Convert to fraction form
37,245,874.44/51,398,811.72 = 20,948,350.44/x - Step 3: Cross multiply
37,245,874.44x = 51,398,811.72 × 20,948,350.44 - Step 4: Simplify right side
37,245,874.44x = 1,076,720,320,110,139.25 - Step 5: Solve for x
x = 1,076,720,320,110,139.25/37,245,874.44 - Step 6: Final answer
x = 28,908,445.20
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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.