Finding the Fourth Proportional to 20,244,555.18, 30,366,949.41 and 8,277,291.18
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Solution
The fourth proportional to 20,244,555.18, 30,366,949.41 and 8,277,291.18 is: 12,415,984.46
Step by Step Solution
- Step 1: Write the proportion equation
20,244,555.18 : 30,366,949.41 = 8,277,291.18 : x - Step 2: Convert to fraction form
20,244,555.18/30,366,949.41 = 8,277,291.18/x - Step 3: Cross multiply
20,244,555.18x = 30,366,949.41 × 8,277,291.18 - Step 4: Simplify right side
20,244,555.18x = 251,356,082,514,899.19 - Step 5: Solve for x
x = 251,356,082,514,899.19/20,244,555.18 - Step 6: Final answer
x = 12,415,984.46
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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.