Finding the Fourth Proportional to 18,608,453.28, 27,912,689.64 and 7,091,235
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Solution
The fourth proportional to 18,608,453.28, 27,912,689.64 and 7,091,235 is: 10,636,856.20
Step by Step Solution
- Step 1: Write the proportion equation
18,608,453.28 : 27,912,689.64 = 7,091,235 : x - Step 2: Convert to fraction form
18,608,453.28/27,912,689.64 = 7,091,235/x - Step 3: Cross multiply
18,608,453.28x = 27,912,689.64 × 7,091,235 - Step 4: Simplify right side
18,608,453.28x = 197,935,441,719,305.41 - Step 5: Solve for x
x = 197,935,441,719,305.41/18,608,453.28 - Step 6: Final answer
x = 10,636,856.20
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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.