Finding the Fourth Proportional to 7,675,232.20, 11,497,685.10 and 3,891,430.60
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Solution
The fourth proportional to 7,675,232.20, 11,497,685.10 and 3,891,430.60 is: 5,829,457.98
Step by Step Solution
- Step 1: Write the proportion equation
7,675,232.20 : 11,497,685.10 = 3,891,430.60 : x - Step 2: Convert to fraction form
7,675,232.20/11,497,685.10 = 3,891,430.60/x - Step 3: Cross multiply
7,675,232.20x = 11,497,685.10 × 3,891,430.60 - Step 4: Simplify right side
7,675,232.20x = 44,742,443,627,304.06 - Step 5: Solve for x
x = 44,742,443,627,304.06/7,675,232.20 - Step 6: Final answer
x = 5,829,457.98
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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.