Finding the Fourth Proportional to 11,190,639.90, 16,785,958.92 and 3,103,615.41
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Solution
The fourth proportional to 11,190,639.90, 16,785,958.92 and 3,103,615.41 is: 4,655,422.86
Step by Step Solution
- Step 1: Write the proportion equation
11,190,639.90 : 16,785,958.92 = 3,103,615.41 : x - Step 2: Convert to fraction form
11,190,639.90/16,785,958.92 = 3,103,615.41/x - Step 3: Cross multiply
11,190,639.90x = 16,785,958.92 × 3,103,615.41 - Step 4: Simplify right side
11,190,639.90x = 52,097,160,775,738.97 - Step 5: Solve for x
x = 52,097,160,775,738.97/11,190,639.90 - Step 6: Final answer
x = 4,655,422.86
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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.