Finding the Fourth Proportional to 11,074,272.30, 16,611,408.45 and 2,987,232.30
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Solution
The fourth proportional to 11,074,272.30, 16,611,408.45 and 2,987,232.30 is: 4,480,848.45
Step by Step Solution
- Step 1: Write the proportion equation
11,074,272.30 : 16,611,408.45 = 2,987,232.30 : x - Step 2: Convert to fraction form
11,074,272.30/16,611,408.45 = 2,987,232.30/x - Step 3: Cross multiply
11,074,272.30x = 16,611,408.45 × 2,987,232.30 - Step 4: Simplify right side
11,074,272.30x = 49,622,135,870,332.93 - Step 5: Solve for x
x = 49,622,135,870,332.93/11,074,272.30 - Step 6: Final answer
x = 4,480,848.45
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Double scale
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Similar ratio
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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.