Finding the Fourth Proportional to 7,438,558, 10,264,388.68 and 4,174,624.12
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Solution
The fourth proportional to 7,438,558, 10,264,388.68 and 4,174,624.12 is: 5,760,520.33
Step by Step Solution
- Step 1: Write the proportion equation
7,438,558 : 10,264,388.68 = 4,174,624.12 : x - Step 2: Convert to fraction form
7,438,558/10,264,388.68 = 4,174,624.12/x - Step 3: Cross multiply
7,438,558x = 10,264,388.68 × 4,174,624.12 - Step 4: Simplify right side
7,438,558x = 42,849,964,560,582.96 - Step 5: Solve for x
x = 42,849,964,560,582.96/7,438,558 - Step 6: Final answer
x = 5,760,520.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.