Finding the Fourth Proportional to 8,125,632.28, 12,192,438.12 and 3,267,742.60
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Solution
The fourth proportional to 8,125,632.28, 12,192,438.12 and 3,267,742.60 is: 4,903,218.37
Step by Step Solution
- Step 1: Write the proportion equation
8,125,632.28 : 12,192,438.12 = 3,267,742.60 : x - Step 2: Convert to fraction form
8,125,632.28/12,192,438.12 = 3,267,742.60/x - Step 3: Cross multiply
8,125,632.28x = 12,192,438.12 × 3,267,742.60 - Step 4: Simplify right side
8,125,632.28x = 39,841,749,442,587.91 - Step 5: Solve for x
x = 39,841,749,442,587.91/8,125,632.28 - Step 6: Final answer
x = 4,903,218.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.