Finding the Fourth Proportional to 22,703,361.35, 31,330,201.48 and 12,390,158.25
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Solution
The fourth proportional to 22,703,361.35, 31,330,201.48 and 12,390,158.25 is: 17,098,179.80
Step by Step Solution
- Step 1: Write the proportion equation
22,703,361.35 : 31,330,201.48 = 12,390,158.25 : x - Step 2: Convert to fraction form
22,703,361.35/31,330,201.48 = 12,390,158.25/x - Step 3: Cross multiply
22,703,361.35x = 31,330,201.48 × 12,390,158.25 - Step 4: Simplify right side
22,703,361.35x = 388,186,154,310,608.81 - Step 5: Solve for x
x = 388,186,154,310,608.81/22,703,361.35 - Step 6: Final answer
x = 17,098,179.80
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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.