Finding the Fourth Proportional to 11,471,651.97, 17,207,401.40 and 4,648,124.49
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Solution
The fourth proportional to 11,471,651.97, 17,207,401.40 and 4,648,124.49 is: 6,972,155.71
Step by Step Solution
- Step 1: Write the proportion equation
11,471,651.97 : 17,207,401.40 = 4,648,124.49 : x - Step 2: Convert to fraction form
11,471,651.97/17,207,401.40 = 4,648,124.49/x - Step 3: Cross multiply
11,471,651.97x = 17,207,401.40 × 4,648,124.49 - Step 4: Simplify right side
11,471,651.97x = 79,982,143,803,692.84 - Step 5: Solve for x
x = 79,982,143,803,692.84/11,471,651.97 - Step 6: Final answer
x = 6,972,155.71
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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.