Finding the Fourth Proportional to 43,638,489.34, 60,278,599.62 and 32,345,568.96
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Solution
The fourth proportional to 43,638,489.34, 60,278,599.62 and 32,345,568.96 is: 44,679,493.50
Step by Step Solution
- Step 1: Write the proportion equation
43,638,489.34 : 60,278,599.62 = 32,345,568.96 : x - Step 2: Convert to fraction form
43,638,489.34/60,278,599.62 = 32,345,568.96/x - Step 3: Cross multiply
43,638,489.34x = 60,278,599.62 × 32,345,568.96 - Step 4: Simplify right side
43,638,489.34x = 1,949,745,600,820,939.75 - Step 5: Solve for x
x = 1,949,745,600,820,939.75/43,638,489.34 - Step 6: Final answer
x = 44,679,493.50
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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.