Finding the Fourth Proportional to 7,367,122.12, 11,052,264.30 and 4,173,778.12
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Solution
The fourth proportional to 7,367,122.12, 11,052,264.30 and 4,173,778.12 is: 6,261,562.95
Step by Step Solution
- Step 1: Write the proportion equation
7,367,122.12 : 11,052,264.30 = 4,173,778.12 : x - Step 2: Convert to fraction form
7,367,122.12/11,052,264.30 = 4,173,778.12/x - Step 3: Cross multiply
7,367,122.12x = 11,052,264.30 × 4,173,778.12 - Step 4: Simplify right side
7,367,122.12x = 46,129,698,911,797.12 - Step 5: Solve for x
x = 46,129,698,911,797.12/7,367,122.12 - Step 6: Final answer
x = 6,261,562.95
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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.