Finding the Fourth Proportional to 47,883,831.90, 71,836,245.45 and 15,530,228.70
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Solution
The fourth proportional to 47,883,831.90, 71,836,245.45 and 15,530,228.70 is: 23,298,747.75
Step by Step Solution
- Step 1: Write the proportion equation
47,883,831.90 : 71,836,245.45 = 15,530,228.70 : x - Step 2: Convert to fraction form
47,883,831.90/71,836,245.45 = 15,530,228.70/x - Step 3: Cross multiply
47,883,831.90x = 71,836,245.45 × 15,530,228.70 - Step 4: Simplify right side
47,883,831.90x = 1,115,633,320,787,834.38 - Step 5: Solve for x
x = 1,115,633,320,787,834.38/47,883,831.90 - Step 6: Final answer
x = 23,298,747.75
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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.