Finding the Fourth Proportional to 7,444,831.40, 11,167,247.10 and 4,893,914.60
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Solution
The fourth proportional to 7,444,831.40, 11,167,247.10 and 4,893,914.60 is: 7,340,871.90
Step by Step Solution
- Step 1: Write the proportion equation
7,444,831.40 : 11,167,247.10 = 4,893,914.60 : x - Step 2: Convert to fraction form
7,444,831.40/11,167,247.10 = 4,893,914.60/x - Step 3: Cross multiply
7,444,831.40x = 11,167,247.10 × 4,893,914.60 - Step 4: Simplify right side
7,444,831.40x = 54,651,553,624,497.66 - Step 5: Solve for x
x = 54,651,553,624,497.66/7,444,831.40 - Step 6: Final answer
x = 7,340,871.90
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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.