Finding the Fourth Proportional to 12,177,370.09, 18,240,636.73 and 7,304,221.97
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Solution
The fourth proportional to 12,177,370.09, 18,240,636.73 and 7,304,221.97 is: 10,941,086.50
Step by Step Solution
- Step 1: Write the proportion equation
12,177,370.09 : 18,240,636.73 = 7,304,221.97 : x - Step 2: Convert to fraction form
12,177,370.09/18,240,636.73 = 7,304,221.97/x - Step 3: Cross multiply
12,177,370.09x = 18,240,636.73 × 7,304,221.97 - Step 4: Simplify right side
12,177,370.09x = 133,233,659,550,054.95 - Step 5: Solve for x
x = 133,233,659,550,054.95/12,177,370.09 - Step 6: Final answer
x = 10,941,086.50
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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.