Finding the Fourth Proportional to 6,416,831.36, 9,629,951.52 and 5,169,716.48
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Solution
The fourth proportional to 6,416,831.36, 9,629,951.52 and 5,169,716.48 is: 7,758,364.88
Step by Step Solution
- Step 1: Write the proportion equation
6,416,831.36 : 9,629,951.52 = 5,169,716.48 : x - Step 2: Convert to fraction form
6,416,831.36/9,629,951.52 = 5,169,716.48/x - Step 3: Cross multiply
6,416,831.36x = 9,629,951.52 × 5,169,716.48 - Step 4: Simplify right side
6,416,831.36x = 49,784,119,074,545.05 - Step 5: Solve for x
x = 49,784,119,074,545.05/6,416,831.36 - Step 6: Final answer
x = 7,758,364.88
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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.