Finding the Fourth Proportional to 16,280,013.70, 24,420,020.55 and 4,149,453.70
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Solution
The fourth proportional to 16,280,013.70, 24,420,020.55 and 4,149,453.70 is: 6,224,180.55
Step by Step Solution
- Step 1: Write the proportion equation
16,280,013.70 : 24,420,020.55 = 4,149,453.70 : x - Step 2: Convert to fraction form
16,280,013.70/24,420,020.55 = 4,149,453.70/x - Step 3: Cross multiply
16,280,013.70x = 24,420,020.55 × 4,149,453.70 - Step 4: Simplify right side
16,280,013.70x = 101,329,744,625,273.55 - Step 5: Solve for x
x = 101,329,744,625,273.55/16,280,013.70 - Step 6: Final answer
x = 6,224,180.55
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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.