Finding the Fourth Proportional to 8,977,647.42, 13,468,363.49 and 2,911,907.25
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Solution
The fourth proportional to 8,977,647.42, 13,468,363.49 and 2,911,907.25 is: 4,368,474.66
Step by Step Solution
- Step 1: Write the proportion equation
8,977,647.42 : 13,468,363.49 = 2,911,907.25 : x - Step 2: Convert to fraction form
8,977,647.42/13,468,363.49 = 2,911,907.25/x - Step 3: Cross multiply
8,977,647.42x = 13,468,363.49 × 2,911,907.25 - Step 4: Simplify right side
8,977,647.42x = 39,218,625,299,446.07 - Step 5: Solve for x
x = 39,218,625,299,446.07/8,977,647.42 - Step 6: Final answer
x = 4,368,474.66
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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.