Finding the Fourth Proportional to 10,864,071.80, 16,296,107.70 and 3,291,037.55
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Solution
The fourth proportional to 10,864,071.80, 16,296,107.70 and 3,291,037.55 is: 4,936,556.33
Step by Step Solution
- Step 1: Write the proportion equation
10,864,071.80 : 16,296,107.70 = 3,291,037.55 : x - Step 2: Convert to fraction form
10,864,071.80/16,296,107.70 = 3,291,037.55/x - Step 3: Cross multiply
10,864,071.80x = 16,296,107.70 × 3,291,037.55 - Step 4: Simplify right side
10,864,071.80x = 53,631,102,359,544.13 - Step 5: Solve for x
x = 53,631,102,359,544.13/10,864,071.80 - Step 6: Final answer
x = 4,936,556.33
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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.