Finding the Fourth Proportional to 36,278,321.64, 54,440,893.68 and 13,247,327.91
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Solution
The fourth proportional to 36,278,321.64, 54,440,893.68 and 13,247,327.91 is: 19,879,540.66
Step by Step Solution
- Step 1: Write the proportion equation
36,278,321.64 : 54,440,893.68 = 13,247,327.91 : x - Step 2: Convert to fraction form
36,278,321.64/54,440,893.68 = 13,247,327.91/x - Step 3: Cross multiply
36,278,321.64x = 54,440,893.68 × 13,247,327.91 - Step 4: Simplify right side
36,278,321.64x = 721,196,370,292,406.62 - Step 5: Solve for x
x = 721,196,370,292,406.62/36,278,321.64 - Step 6: Final answer
x = 19,879,540.66
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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.