Finding the Fourth Proportional to 18,592,879.80, 27,889,319.70 and 18,592,879.80
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Solution
The fourth proportional to 18,592,879.80, 27,889,319.70 and 18,592,879.80 is: 27,889,319.70
Step by Step Solution
- Step 1: Write the proportion equation
18,592,879.80 : 27,889,319.70 = 18,592,879.80 : x - Step 2: Convert to fraction form
18,592,879.80/27,889,319.70 = 18,592,879.80/x - Step 3: Cross multiply
18,592,879.80x = 27,889,319.70 × 18,592,879.80 - Step 4: Simplify right side
18,592,879.80x = 518,542,768,885,872.06 - Step 5: Solve for x
x = 518,542,768,885,872.06/18,592,879.80 - Step 6: Final answer
x = 27,889,319.70
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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.