Finding the Fourth Proportional to 25,550,717.76, 38,332,117.62 and 8,278,890.12
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Solution
The fourth proportional to 25,550,717.76, 38,332,117.62 and 8,278,890.12 is: 12,420,292.57
Step by Step Solution
- Step 1: Write the proportion equation
25,550,717.76 : 38,332,117.62 = 8,278,890.12 : x - Step 2: Convert to fraction form
25,550,717.76/38,332,117.62 = 8,278,890.12/x - Step 3: Cross multiply
25,550,717.76x = 38,332,117.62 × 8,278,890.12 - Step 4: Simplify right side
25,550,717.76x = 317,347,389,842,895.88 - Step 5: Solve for x
x = 317,347,389,842,895.88/25,550,717.76 - Step 6: Final answer
x = 12,420,292.57
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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.