Finding the Fourth Proportional to 10,467,037.80, 15,700,556.70 and 8,075,553.30
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Solution
The fourth proportional to 10,467,037.80, 15,700,556.70 and 8,075,553.30 is: 12,113,329.95
Step by Step Solution
- Step 1: Write the proportion equation
10,467,037.80 : 15,700,556.70 = 8,075,553.30 : x - Step 2: Convert to fraction form
10,467,037.80/15,700,556.70 = 8,075,553.30/x - Step 3: Cross multiply
10,467,037.80x = 15,700,556.70 × 8,075,553.30 - Step 4: Simplify right side
10,467,037.80x = 126,790,682,470,522.09 - Step 5: Solve for x
x = 126,790,682,470,522.09/10,467,037.80 - Step 6: Final answer
x = 12,113,329.95
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1.5x scale
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.