Finding the Fourth Proportional to 8,977,487.80, 13,467,981.30 and 3,859,907.80
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Solution
The fourth proportional to 8,977,487.80, 13,467,981.30 and 3,859,907.80 is: 5,790,613.95
Step by Step Solution
- Step 1: Write the proportion equation
8,977,487.80 : 13,467,981.30 = 3,859,907.80 : x - Step 2: Convert to fraction form
8,977,487.80/13,467,981.30 = 3,859,907.80/x - Step 3: Cross multiply
8,977,487.80x = 13,467,981.30 × 3,859,907.80 - Step 4: Simplify right side
8,977,487.80x = 51,985,166,070,124.14 - Step 5: Solve for x
x = 51,985,166,070,124.14/8,977,487.80 - Step 6: Final answer
x = 5,790,613.95
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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.