Finding the Fourth Proportional to 7,581,992.80, 11,373,037.80 and 3,033,421.60
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Solution
The fourth proportional to 7,581,992.80, 11,373,037.80 and 3,033,421.60 is: 4,550,151.84
Step by Step Solution
- Step 1: Write the proportion equation
7,581,992.80 : 11,373,037.80 = 3,033,421.60 : x - Step 2: Convert to fraction form
7,581,992.80/11,373,037.80 = 3,033,421.60/x - Step 3: Cross multiply
7,581,992.80x = 11,373,037.80 × 3,033,421.60 - Step 4: Simplify right side
7,581,992.80x = 34,499,218,520,136.48 - Step 5: Solve for x
x = 34,499,218,520,136.48/7,581,992.80 - Step 6: Final answer
x = 4,550,151.84
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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.