Finding the Fourth Proportional to 55,783,874.12, 83,680,622.58 and 15,394,358.12
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Solution
The fourth proportional to 55,783,874.12, 83,680,622.58 and 15,394,358.12 is: 23,092,864.95
Step by Step Solution
- Step 1: Write the proportion equation
55,783,874.12 : 83,680,622.58 = 15,394,358.12 : x - Step 2: Convert to fraction form
55,783,874.12/83,680,622.58 = 15,394,358.12/x - Step 3: Cross multiply
55,783,874.12x = 83,680,622.58 × 15,394,358.12 - Step 4: Simplify right side
55,783,874.12x = 1,288,209,471,701,078.25 - Step 5: Solve for x
x = 1,288,209,471,701,078.25/55,783,874.12 - Step 6: Final answer
x = 23,092,864.95
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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.