Finding the Fourth Proportional to 16,641,523.20, 24,943,622.40 and 8,551,372.80
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Solution
The fourth proportional to 16,641,523.20, 24,943,622.40 and 8,551,372.80 is: 12,817,469.38
Step by Step Solution
- Step 1: Write the proportion equation
16,641,523.20 : 24,943,622.40 = 8,551,372.80 : x - Step 2: Convert to fraction form
16,641,523.20/24,943,622.40 = 8,551,372.80/x - Step 3: Cross multiply
16,641,523.20x = 24,943,622.40 × 8,551,372.80 - Step 4: Simplify right side
16,641,523.20x = 213,302,214,124,830.72 - Step 5: Solve for x
x = 213,302,214,124,830.72/16,641,523.20 - Step 6: Final answer
x = 12,817,469.38
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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.