Finding the Fourth Proportional to 8,603,680.50, 11,873,079.09 and 4,789,157.62
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Solution
The fourth proportional to 8,603,680.50, 11,873,079.09 and 4,789,157.62 is: 6,609,037.52
Step by Step Solution
- Step 1: Write the proportion equation
8,603,680.50 : 11,873,079.09 = 4,789,157.62 : x - Step 2: Convert to fraction form
8,603,680.50/11,873,079.09 = 4,789,157.62/x - Step 3: Cross multiply
8,603,680.50x = 11,873,079.09 × 4,789,157.62 - Step 4: Simplify right side
8,603,680.50x = 56,862,047,196,736.16 - Step 5: Solve for x
x = 56,862,047,196,736.16/8,603,680.50 - Step 6: Final answer
x = 6,609,037.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.