Finding the Fourth Proportional to 33,014,646.36, 45,561,634.86 and 18,330,313.38
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Solution
The fourth proportional to 33,014,646.36, 45,561,634.86 and 18,330,313.38 is: 25,296,622.47
Step by Step Solution
- Step 1: Write the proportion equation
33,014,646.36 : 45,561,634.86 = 18,330,313.38 : x - Step 2: Convert to fraction form
33,014,646.36/45,561,634.86 = 18,330,313.38/x - Step 3: Cross multiply
33,014,646.36x = 45,561,634.86 × 18,330,313.38 - Step 4: Simplify right side
33,014,646.36x = 835,159,045,088,932.38 - Step 5: Solve for x
x = 835,159,045,088,932.38/33,014,646.36 - Step 6: Final answer
x = 25,296,622.47
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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.