Finding the Fourth Proportional to 7,419,832.38, 11,127,124.17 and 3,528,831.33
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Solution
The fourth proportional to 7,419,832.38, 11,127,124.17 and 3,528,831.33 is: 5,291,998.84
Step by Step Solution
- Step 1: Write the proportion equation
7,419,832.38 : 11,127,124.17 = 3,528,831.33 : x - Step 2: Convert to fraction form
7,419,832.38/11,127,124.17 = 3,528,831.33/x - Step 3: Cross multiply
7,419,832.38x = 11,127,124.17 × 3,528,831.33 - Step 4: Simplify right side
7,419,832.38x = 39,265,744,383,896.25 - Step 5: Solve for x
x = 39,265,744,383,896.25/7,419,832.38 - Step 6: Final answer
x = 5,291,998.84
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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.