Finding the Fourth Proportional to 19,640,984.44, 27,105,403.26 and 10,939,160.92
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Solution
The fourth proportional to 19,640,984.44, 27,105,403.26 and 10,939,160.92 is: 15,096,512.55
Step by Step Solution
- Step 1: Write the proportion equation
19,640,984.44 : 27,105,403.26 = 10,939,160.92 : x - Step 2: Convert to fraction form
19,640,984.44/27,105,403.26 = 10,939,160.92/x - Step 3: Cross multiply
19,640,984.44x = 27,105,403.26 × 10,939,160.92 - Step 4: Simplify right side
19,640,984.44x = 296,510,368,062,632.62 - Step 5: Solve for x
x = 296,510,368,062,632.62/19,640,984.44 - Step 6: Final answer
x = 15,096,512.55
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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.