Finding the Fourth Proportional to 18,066,202.20, 27,090,336.60 and 6,551,209.80
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Solution
The fourth proportional to 18,066,202.20, 27,090,336.60 and 6,551,209.80 is: 9,823,563.17
Step by Step Solution
- Step 1: Write the proportion equation
18,066,202.20 : 27,090,336.60 = 6,551,209.80 : x - Step 2: Convert to fraction form
18,066,202.20/27,090,336.60 = 6,551,209.80/x - Step 3: Cross multiply
18,066,202.20x = 27,090,336.60 × 6,551,209.80 - Step 4: Simplify right side
18,066,202.20x = 177,474,478,619,218.69 - Step 5: Solve for x
x = 177,474,478,619,218.69/18,066,202.20 - Step 6: Final answer
x = 9,823,563.17
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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.