Finding the Fourth Proportional to 10,293,102.20, 15,434,987.70 and 3,901,230.20
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Solution
The fourth proportional to 10,293,102.20, 15,434,987.70 and 3,901,230.20 is: 5,850,076.97
Step by Step Solution
- Step 1: Write the proportion equation
10,293,102.20 : 15,434,987.70 = 3,901,230.20 : x - Step 2: Convert to fraction form
10,293,102.20/15,434,987.70 = 3,901,230.20/x - Step 3: Cross multiply
10,293,102.20x = 15,434,987.70 × 3,901,230.20 - Step 4: Simplify right side
10,293,102.20x = 60,215,440,151,868.54 - Step 5: Solve for x
x = 60,215,440,151,868.54/10,293,102.20 - Step 6: Final answer
x = 5,850,076.97
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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.