Finding the Fourth Proportional to 7,340,610.70, 10,989,920.84 and 7,340,610.70
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Solution
The fourth proportional to 7,340,610.70, 10,989,920.84 and 7,340,610.70 is: 10,989,920.84
Step by Step Solution
- Step 1: Write the proportion equation
7,340,610.70 : 10,989,920.84 = 7,340,610.70 : x - Step 2: Convert to fraction form
7,340,610.70/10,989,920.84 = 7,340,610.70/x - Step 3: Cross multiply
7,340,610.70x = 10,989,920.84 × 7,340,610.70 - Step 4: Simplify right side
7,340,610.70x = 80,672,730,510,256.98 - Step 5: Solve for x
x = 80,672,730,510,256.98/7,340,610.70 - Step 6: Final answer
x = 10,989,920.84
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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.