Finding the Fourth Proportional to 20,332,831.75, 30,500,228.54 and 6,685,675.99
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Solution
The fourth proportional to 20,332,831.75, 30,500,228.54 and 6,685,675.99 is: 10,028,836.52
Step by Step Solution
- Step 1: Write the proportion equation
20,332,831.75 : 30,500,228.54 = 6,685,675.99 : x - Step 2: Convert to fraction form
20,332,831.75/30,500,228.54 = 6,685,675.99/x - Step 3: Cross multiply
20,332,831.75x = 30,500,228.54 × 6,685,675.99 - Step 4: Simplify right side
20,332,831.75x = 203,914,645,639,390.75 - Step 5: Solve for x
x = 203,914,645,639,390.75/20,332,831.75 - Step 6: Final answer
x = 10,028,836.52
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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.