Finding the Fourth Proportional to 13,016,414.44, 17,956,576.74 and 8,190,179.56
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Solution
The fourth proportional to 13,016,414.44, 17,956,576.74 and 8,190,179.56 is: 11,298,625.17
Step by Step Solution
- Step 1: Write the proportion equation
13,016,414.44 : 17,956,576.74 = 8,190,179.56 : x - Step 2: Convert to fraction form
13,016,414.44/17,956,576.74 = 8,190,179.56/x - Step 3: Cross multiply
13,016,414.44x = 17,956,576.74 × 8,190,179.56 - Step 4: Simplify right side
13,016,414.44x = 147,067,587,783,519.41 - Step 5: Solve for x
x = 147,067,587,783,519.41/13,016,414.44 - Step 6: Final answer
x = 11,298,625.17
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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.