Finding the Fourth Proportional to 19,719,736.48, 27,213,049.20 and 11,019,407.68
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Solution
The fourth proportional to 19,719,736.48, 27,213,049.20 and 11,019,407.68 is: 15,206,678.02
Step by Step Solution
- Step 1: Write the proportion equation
19,719,736.48 : 27,213,049.20 = 11,019,407.68 : x - Step 2: Convert to fraction form
19,719,736.48/27,213,049.20 = 11,019,407.68/x - Step 3: Cross multiply
19,719,736.48x = 27,213,049.20 × 11,019,407.68 - Step 4: Simplify right side
19,719,736.48x = 299,871,683,350,697.81 - Step 5: Solve for x
x = 299,871,683,350,697.81/19,719,736.48 - Step 6: Final answer
x = 15,206,678.02
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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.