Finding the Fourth Proportional to 8,420,995.71, 12,626,658.35 and 3,297,426.84
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Solution
The fourth proportional to 8,420,995.71, 12,626,658.35 and 3,297,426.84 is: 4,944,246.92
Step by Step Solution
- Step 1: Write the proportion equation
8,420,995.71 : 12,626,658.35 = 3,297,426.84 : x - Step 2: Convert to fraction form
8,420,995.71/12,626,658.35 = 3,297,426.84/x - Step 3: Cross multiply
8,420,995.71x = 12,626,658.35 × 3,297,426.84 - Step 4: Simplify right side
8,420,995.71x = 41,635,482,087,910.38 - Step 5: Solve for x
x = 41,635,482,087,910.38/8,420,995.71 - Step 6: Final answer
x = 4,944,246.92
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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.