Finding the Fourth Proportional to 16,211,155.55, 24,319,680.30 and 7,691,412.74
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Solution
The fourth proportional to 16,211,155.55, 24,319,680.30 and 7,691,412.74 is: 11,538,517.30
Step by Step Solution
- Step 1: Write the proportion equation
16,211,155.55 : 24,319,680.30 = 7,691,412.74 : x - Step 2: Convert to fraction form
16,211,155.55/24,319,680.30 = 7,691,412.74/x - Step 3: Cross multiply
16,211,155.55x = 24,319,680.30 × 7,691,412.74 - Step 4: Simplify right side
16,211,155.55x = 187,052,698,770,548.62 - Step 5: Solve for x
x = 187,052,698,770,548.62/16,211,155.55 - Step 6: Final answer
x = 11,538,517.30
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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.