Finding the Fourth Proportional to 21,177,397.26, 31,763,096.73 and 6,798,571.74
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Solution
The fourth proportional to 21,177,397.26, 31,763,096.73 and 6,798,571.74 is: 10,196,894.79
Step by Step Solution
- Step 1: Write the proportion equation
21,177,397.26 : 31,763,096.73 = 6,798,571.74 : x - Step 2: Convert to fraction form
21,177,397.26/31,763,096.73 = 6,798,571.74/x - Step 3: Cross multiply
21,177,397.26x = 31,763,096.73 × 6,798,571.74 - Step 4: Simplify right side
21,177,397.26x = 215,943,691,803,464.41 - Step 5: Solve for x
x = 215,943,691,803,464.41/21,177,397.26 - Step 6: Final answer
x = 10,196,894.79
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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.