Finding the Fourth Proportional to 10,640,152.88, 15,962,473.62 and 3,451,128.44
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Solution
The fourth proportional to 10,640,152.88, 15,962,473.62 and 3,451,128.44 is: 5,177,420.60
Step by Step Solution
- Step 1: Write the proportion equation
10,640,152.88 : 15,962,473.62 = 3,451,128.44 : x - Step 2: Convert to fraction form
10,640,152.88/15,962,473.62 = 3,451,128.44/x - Step 3: Cross multiply
10,640,152.88x = 15,962,473.62 × 3,451,128.44 - Step 4: Simplify right side
10,640,152.88x = 55,088,546,682,731.75 - Step 5: Solve for x
x = 55,088,546,682,731.75/10,640,152.88 - Step 6: Final answer
x = 5,177,420.60
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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.