Finding the Fourth Proportional to 7,726,467.80, 11,600,760.90 and 4,367,235.80
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Solution
The fourth proportional to 7,726,467.80, 11,600,760.90 and 4,367,235.80 is: 6,557,104.70
Step by Step Solution
- Step 1: Write the proportion equation
7,726,467.80 : 11,600,760.90 = 4,367,235.80 : x - Step 2: Convert to fraction form
7,726,467.80/11,600,760.90 = 4,367,235.80/x - Step 3: Cross multiply
7,726,467.80x = 11,600,760.90 × 4,367,235.80 - Step 4: Simplify right side
7,726,467.80x = 50,663,258,309,720.22 - Step 5: Solve for x
x = 50,663,258,309,720.22/7,726,467.80 - Step 6: Final answer
x = 6,557,104.70
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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.