Finding the Fourth Proportional to 16,340,747.70, 24,511,121.55 and 13,821,323.70
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Solution
The fourth proportional to 16,340,747.70, 24,511,121.55 and 13,821,323.70 is: 20,731,985.55
Step by Step Solution
- Step 1: Write the proportion equation
16,340,747.70 : 24,511,121.55 = 13,821,323.70 : x - Step 2: Convert to fraction form
16,340,747.70/24,511,121.55 = 13,821,323.70/x - Step 3: Cross multiply
16,340,747.70x = 24,511,121.55 × 13,821,323.70 - Step 4: Simplify right side
16,340,747.70x = 338,776,145,192,595.75 - Step 5: Solve for x
x = 338,776,145,192,595.75/16,340,747.70 - Step 6: Final answer
x = 20,731,985.55
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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.