Finding the Fourth Proportional to 11,719,233.20, 17,579,724.60 and 4,145,214.80
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Solution
The fourth proportional to 11,719,233.20, 17,579,724.60 and 4,145,214.80 is: 6,218,131.63
Step by Step Solution
- Step 1: Write the proportion equation
11,719,233.20 : 17,579,724.60 = 4,145,214.80 : x - Step 2: Convert to fraction form
11,719,233.20/17,579,724.60 = 4,145,214.80/x - Step 3: Cross multiply
11,719,233.20x = 17,579,724.60 × 4,145,214.80 - Step 4: Simplify right side
11,719,233.20x = 72,871,734,591,844.08 - Step 5: Solve for x
x = 72,871,734,591,844.08/11,719,233.20 - Step 6: Final answer
x = 6,218,131.63
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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.