Finding the Fourth Proportional to 12,149,720.70, 18,227,205.45 and 3,630,918.30
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Solution
The fourth proportional to 12,149,720.70, 18,227,205.45 and 3,630,918.30 is: 5,447,161.75
Step by Step Solution
- Step 1: Write the proportion equation
12,149,720.70 : 18,227,205.45 = 3,630,918.30 : x - Step 2: Convert to fraction form
12,149,720.70/18,227,205.45 = 3,630,918.30/x - Step 3: Cross multiply
12,149,720.70x = 18,227,205.45 × 3,630,918.30 - Step 4: Simplify right side
12,149,720.70x = 66,181,493,826,264.73 - Step 5: Solve for x
x = 66,181,493,826,264.73/12,149,720.70 - Step 6: Final answer
x = 5,447,161.75
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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.