Finding the Fourth Proportional to 13,962,831.20, 20,944,246.80 and 3,727,671.20
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Solution
The fourth proportional to 13,962,831.20, 20,944,246.80 and 3,727,671.20 is: 5,591,506.80
Step by Step Solution
- Step 1: Write the proportion equation
13,962,831.20 : 20,944,246.80 = 3,727,671.20 : x - Step 2: Convert to fraction form
13,962,831.20/20,944,246.80 = 3,727,671.20/x - Step 3: Cross multiply
13,962,831.20x = 20,944,246.80 × 3,727,671.20 - Step 4: Simplify right side
13,962,831.20x = 78,073,265,602,052.17 - Step 5: Solve for x
x = 78,073,265,602,052.17/13,962,831.20 - Step 6: Final answer
x = 5,591,506.80
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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.