Finding the Fourth Proportional to 16,278,319.32, 24,421,747.14 and 4,919,069.40
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Solution
The fourth proportional to 16,278,319.32, 24,421,747.14 and 4,919,069.40 is: 7,379,893.88
Step by Step Solution
- Step 1: Write the proportion equation
16,278,319.32 : 24,421,747.14 = 4,919,069.40 : x - Step 2: Convert to fraction form
16,278,319.32/24,421,747.14 = 4,919,069.40/x - Step 3: Cross multiply
16,278,319.32x = 24,421,747.14 × 4,919,069.40 - Step 4: Simplify right side
16,278,319.32x = 120,132,269,050,911.53 - Step 5: Solve for x
x = 120,132,269,050,911.53/16,278,319.32 - Step 6: Final answer
x = 7,379,893.88
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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.