Finding the Fourth Proportional to 12,377,028.15, 18,565,542.23 and 3,280,529.70
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Solution
The fourth proportional to 12,377,028.15, 18,565,542.23 and 3,280,529.70 is: 4,920,794.55
Step by Step Solution
- Step 1: Write the proportion equation
12,377,028.15 : 18,565,542.23 = 3,280,529.70 : x - Step 2: Convert to fraction form
12,377,028.15/18,565,542.23 = 3,280,529.70/x - Step 3: Cross multiply
12,377,028.15x = 18,565,542.23 × 3,280,529.70 - Step 4: Simplify right side
12,377,028.15x = 60,904,812,682,119.23 - Step 5: Solve for x
x = 60,904,812,682,119.23/12,377,028.15 - Step 6: Final answer
x = 4,920,794.55
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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.