Finding the Fourth Proportional to 7,107,414.76, 9,808,234.21 and 4,010,594.41
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Solution
The fourth proportional to 7,107,414.76, 9,808,234.21 and 4,010,594.41 is: 5,534,621.33
Step by Step Solution
- Step 1: Write the proportion equation
7,107,414.76 : 9,808,234.21 = 4,010,594.41 : x - Step 2: Convert to fraction form
7,107,414.76/9,808,234.21 = 4,010,594.41/x - Step 3: Cross multiply
7,107,414.76x = 9,808,234.21 × 4,010,594.41 - Step 4: Simplify right side
7,107,414.76x = 39,336,849,311,870.30 - Step 5: Solve for x
x = 39,336,849,311,870.30/7,107,414.76 - Step 6: Final answer
x = 5,534,621.33
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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.