Finding the Fourth Proportional to 11,703,119.44, 16,143,242.88 and 7,729,414.96
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Solution
The fourth proportional to 11,703,119.44, 16,143,242.88 and 7,729,414.96 is: 10,661,928.53
Step by Step Solution
- Step 1: Write the proportion equation
11,703,119.44 : 16,143,242.88 = 7,729,414.96 : x - Step 2: Convert to fraction form
11,703,119.44/16,143,242.88 = 7,729,414.96/x - Step 3: Cross multiply
11,703,119.44x = 16,143,242.88 × 7,729,414.96 - Step 4: Simplify right side
11,703,119.44x = 124,777,823,019,585.48 - Step 5: Solve for x
x = 124,777,823,019,585.48/11,703,119.44 - Step 6: Final answer
x = 10,661,928.53
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1.5x scale
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.