Finding the Fourth Proportional to 45,512,231.25, 68,268,412.58 and 18,585,887.25
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Solution
The fourth proportional to 45,512,231.25, 68,268,412.58 and 18,585,887.25 is: 27,878,857.71
Step by Step Solution
- Step 1: Write the proportion equation
45,512,231.25 : 68,268,412.58 = 18,585,887.25 : x - Step 2: Convert to fraction form
45,512,231.25/68,268,412.58 = 18,585,887.25/x - Step 3: Cross multiply
45,512,231.25x = 68,268,412.58 × 18,585,887.25 - Step 4: Simplify right side
45,512,231.25x = 1,268,829,018,948,361.50 - Step 5: Solve for x
x = 1,268,829,018,948,361.50/45,512,231.25 - Step 6: Final answer
x = 27,878,857.71
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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.