Finding the Fourth Proportional to 18,354,669.51, 27,507,203.00 and 6,988,917.99
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Solution
The fourth proportional to 18,354,669.51, 27,507,203.00 and 6,988,917.99 is: 10,473,933.39
Step by Step Solution
- Step 1: Write the proportion equation
18,354,669.51 : 27,507,203.00 = 6,988,917.99 : x - Step 2: Convert to fraction form
18,354,669.51/27,507,203.00 = 6,988,917.99/x - Step 3: Cross multiply
18,354,669.51x = 27,507,203.00 × 6,988,917.99 - Step 4: Simplify right side
18,354,669.51x = 192,245,585,840,969.84 - Step 5: Solve for x
x = 192,245,585,840,969.84/18,354,669.51 - Step 6: Final answer
x = 10,473,933.39
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1.5x scale
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.