Finding the Fourth Proportional to 18,057,497.76, 27,087,132.36 and 7,273,342.44
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Solution
The fourth proportional to 18,057,497.76, 27,087,132.36 and 7,273,342.44 is: 10,910,370.42
Step by Step Solution
- Step 1: Write the proportion equation
18,057,497.76 : 27,087,132.36 = 7,273,342.44 : x - Step 2: Convert to fraction form
18,057,497.76/27,087,132.36 = 7,273,342.44/x - Step 3: Cross multiply
18,057,497.76x = 27,087,132.36 × 7,273,342.44 - Step 4: Simplify right side
18,057,497.76x = 197,013,989,371,885.38 - Step 5: Solve for x
x = 197,013,989,371,885.38/18,057,497.76 - Step 6: Final answer
x = 10,910,370.42
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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.