Finding the Fourth Proportional to 10,763,433.20, 16,145,208.21 and 2,785,257.20
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Solution
The fourth proportional to 10,763,433.20, 16,145,208.21 and 2,785,257.20 is: 4,177,900.91
Step by Step Solution
- Step 1: Write the proportion equation
10,763,433.20 : 16,145,208.21 = 2,785,257.20 : x - Step 2: Convert to fraction form
10,763,433.20/16,145,208.21 = 2,785,257.20/x - Step 3: Cross multiply
10,763,433.20x = 16,145,208.21 × 2,785,257.20 - Step 4: Simplify right side
10,763,433.20x = 44,968,557,331,675.57 - Step 5: Solve for x
x = 44,968,557,331,675.57/10,763,433.20 - Step 6: Final answer
x = 4,177,900.91
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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.