Finding the Fourth Proportional to 18,146,863.30, 27,220,294.95 and 16,467,247.30
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Solution
The fourth proportional to 18,146,863.30, 27,220,294.95 and 16,467,247.30 is: 24,700,870.95
Step by Step Solution
- Step 1: Write the proportion equation
18,146,863.30 : 27,220,294.95 = 16,467,247.30 : x - Step 2: Convert to fraction form
18,146,863.30/27,220,294.95 = 16,467,247.30/x - Step 3: Cross multiply
18,146,863.30x = 27,220,294.95 × 16,467,247.30 - Step 4: Simplify right side
18,146,863.30x = 448,243,328,520,591.12 - Step 5: Solve for x
x = 448,243,328,520,591.12/18,146,863.30 - Step 6: Final answer
x = 24,700,870.95
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Similar ratio
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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.