Finding the Fourth Proportional to 18,221,891.04, 27,332,864.58 and 7,297,000.45
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Solution
The fourth proportional to 18,221,891.04, 27,332,864.58 and 7,297,000.45 is: 10,945,511.90
Step by Step Solution
- Step 1: Write the proportion equation
18,221,891.04 : 27,332,864.58 = 7,297,000.45 : x - Step 2: Convert to fraction form
18,221,891.04/27,332,864.58 = 7,297,000.45/x - Step 3: Cross multiply
18,221,891.04x = 27,332,864.58 × 7,297,000.45 - Step 4: Simplify right side
18,221,891.04x = 199,447,925,140,049.06 - Step 5: Solve for x
x = 199,447,925,140,049.06/18,221,891.04 - Step 6: Final answer
x = 10,945,511.90
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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.