Finding the Fourth Proportional to 7,462,905.81, 11,194,321.14 and 2,914,416.50
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Solution
The fourth proportional to 7,462,905.81, 11,194,321.14 and 2,914,416.50 is: 4,371,610.07
Step by Step Solution
- Step 1: Write the proportion equation
7,462,905.81 : 11,194,321.14 = 2,914,416.50 : x - Step 2: Convert to fraction form
7,462,905.81/11,194,321.14 = 2,914,416.50/x - Step 3: Cross multiply
7,462,905.81x = 11,194,321.14 × 2,914,416.50 - Step 4: Simplify right side
7,462,905.81x = 32,624,914,180,743.21 - Step 5: Solve for x
x = 32,624,914,180,743.21/7,462,905.81 - Step 6: Final answer
x = 4,371,610.07
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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.