Finding the Fourth Proportional to 28,745,105.16, 39,682,470.84 and 17,737,917.68
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Solution
The fourth proportional to 28,745,105.16, 39,682,470.84 and 17,737,917.68 is: 24,487,104.75
Step by Step Solution
- Step 1: Write the proportion equation
28,745,105.16 : 39,682,470.84 = 17,737,917.68 : x - Step 2: Convert to fraction form
28,745,105.16/39,682,470.84 = 17,737,917.68/x - Step 3: Cross multiply
28,745,105.16x = 39,682,470.84 × 17,737,917.68 - Step 4: Simplify right side
28,745,105.16x = 703,884,401,098,920.50 - Step 5: Solve for x
x = 703,884,401,098,920.50/28,745,105.16 - Step 6: Final answer
x = 24,487,104.75
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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.