Finding the Fourth Proportional to 18,146,989.80, 27,225,798.84 and 5,367,834.72
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Solution
The fourth proportional to 18,146,989.80, 27,225,798.84 and 5,367,834.72 is: 8,053,323.99
Step by Step Solution
- Step 1: Write the proportion equation
18,146,989.80 : 27,225,798.84 = 5,367,834.72 : x - Step 2: Convert to fraction form
18,146,989.80/27,225,798.84 = 5,367,834.72/x - Step 3: Cross multiply
18,146,989.80x = 27,225,798.84 × 5,367,834.72 - Step 4: Simplify right side
18,146,989.80x = 146,143,588,293,087.72 - Step 5: Solve for x
x = 146,143,588,293,087.72/18,146,989.80 - Step 6: Final answer
x = 8,053,323.99
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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.