Finding the Fourth Proportional to 18,272,039.80, 27,408,059.70 and 16,592,423.80
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Solution
The fourth proportional to 18,272,039.80, 27,408,059.70 and 16,592,423.80 is: 24,888,635.70
Step by Step Solution
- Step 1: Write the proportion equation
18,272,039.80 : 27,408,059.70 = 16,592,423.80 : x - Step 2: Convert to fraction form
18,272,039.80/27,408,059.70 = 16,592,423.80/x - Step 3: Cross multiply
18,272,039.80x = 27,408,059.70 × 16,592,423.80 - Step 4: Simplify right side
18,272,039.80x = 454,766,142,078,100.88 - Step 5: Solve for x
x = 454,766,142,078,100.88/18,272,039.80 - Step 6: Final answer
x = 24,888,635.70
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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.