Finding the Fourth Proportional to 18,098,414.92, 27,132,316.40 and 7,855,576.12
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Solution
The fourth proportional to 18,098,414.92, 27,132,316.40 and 7,855,576.12 is: 11,776,720.65
Step by Step Solution
- Step 1: Write the proportion equation
18,098,414.92 : 27,132,316.40 = 7,855,576.12 : x - Step 2: Convert to fraction form
18,098,414.92/27,132,316.40 = 7,855,576.12/x - Step 3: Cross multiply
18,098,414.92x = 27,132,316.40 × 7,855,576.12 - Step 4: Simplify right side
18,098,414.92x = 213,139,976,792,124.34 - Step 5: Solve for x
x = 213,139,976,792,124.34/18,098,414.92 - Step 6: Final answer
x = 11,776,720.65
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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.