Finding the Fourth Proportional to 7,532,352.56, 11,295,910.68 and 3,214,228.40
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Solution
The fourth proportional to 7,532,352.56, 11,295,910.68 and 3,214,228.40 is: 4,820,225.37
Step by Step Solution
- Step 1: Write the proportion equation
7,532,352.56 : 11,295,910.68 = 3,214,228.40 : x - Step 2: Convert to fraction form
7,532,352.56/11,295,910.68 = 3,214,228.40/x - Step 3: Cross multiply
7,532,352.56x = 11,295,910.68 × 3,214,228.40 - Step 4: Simplify right side
7,532,352.56x = 36,307,636,911,519.31 - Step 5: Solve for x
x = 36,307,636,911,519.31/7,532,352.56 - Step 6: Final answer
x = 4,820,225.37
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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.