Finding the Fourth Proportional to 16,118,819.80, 24,178,229.70 and 5,481,251.80
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Solution
The fourth proportional to 16,118,819.80, 24,178,229.70 and 5,481,251.80 is: 8,221,877.70
Step by Step Solution
- Step 1: Write the proportion equation
16,118,819.80 : 24,178,229.70 = 5,481,251.80 : x - Step 2: Convert to fraction form
16,118,819.80/24,178,229.70 = 5,481,251.80/x - Step 3: Cross multiply
16,118,819.80x = 24,178,229.70 × 5,481,251.80 - Step 4: Simplify right side
16,118,819.80x = 132,526,965,063,938.45 - Step 5: Solve for x
x = 132,526,965,063,938.45/16,118,819.80 - Step 6: Final answer
x = 8,221,877.70
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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.