Finding the Fourth Proportional to 32,005,361.12, 47,959,547.38 and 21,183,893.75
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Solution
The fourth proportional to 32,005,361.12, 47,959,547.38 and 21,183,893.75 is: 31,743,742.94
Step by Step Solution
- Step 1: Write the proportion equation
32,005,361.12 : 47,959,547.38 = 21,183,893.75 : x - Step 2: Convert to fraction form
32,005,361.12/47,959,547.38 = 21,183,893.75/x - Step 3: Cross multiply
32,005,361.12x = 47,959,547.38 × 21,183,893.75 - Step 4: Simplify right side
32,005,361.12x = 1,015,969,956,062,950 - Step 5: Solve for x
x = 1,015,969,956,062,950/32,005,361.12 - Step 6: Final answer
x = 31,743,742.94
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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.