Finding the Fourth Proportional to 11,171,128.77, 15,416,052.17 and 6,209,440.02
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Solution
The fourth proportional to 11,171,128.77, 15,416,052.17 and 6,209,440.02 is: 8,568,968.56
Step by Step Solution
- Step 1: Write the proportion equation
11,171,128.77 : 15,416,052.17 = 6,209,440.02 : x - Step 2: Convert to fraction form
11,171,128.77/15,416,052.17 = 6,209,440.02/x - Step 3: Cross multiply
11,171,128.77x = 15,416,052.17 × 6,209,440.02 - Step 4: Simplify right side
11,171,128.77x = 95,725,051,263,758.62 - Step 5: Solve for x
x = 95,725,051,263,758.62/11,171,128.77 - Step 6: Final answer
x = 8,568,968.56
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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.