Finding the Fourth Proportional to 12,107,636.92, 18,160,930.50 and 3,009,541.96
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Solution
The fourth proportional to 12,107,636.92, 18,160,930.50 and 3,009,541.96 is: 4,514,182.47
Step by Step Solution
- Step 1: Write the proportion equation
12,107,636.92 : 18,160,930.50 = 3,009,541.96 : x - Step 2: Convert to fraction form
12,107,636.92/18,160,930.50 = 3,009,541.96/x - Step 3: Cross multiply
12,107,636.92x = 18,160,930.50 × 3,009,541.96 - Step 4: Simplify right side
12,107,636.92x = 54,656,082,372,393.78 - Step 5: Solve for x
x = 54,656,082,372,393.78/12,107,636.92 - Step 6: Final answer
x = 4,514,182.47
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1.5x scale
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.