Finding the Fourth Proportional to 10,363,919.80, 15,545,879.70 and 4,969,793.65
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Solution
The fourth proportional to 10,363,919.80, 15,545,879.70 and 4,969,793.65 is: 7,454,690.48
Step by Step Solution
- Step 1: Write the proportion equation
10,363,919.80 : 15,545,879.70 = 4,969,793.65 : x - Step 2: Convert to fraction form
10,363,919.80/15,545,879.70 = 4,969,793.65/x - Step 3: Cross multiply
10,363,919.80x = 15,545,879.70 × 4,969,793.65 - Step 4: Simplify right side
10,363,919.80x = 77,259,814,216,723.91 - Step 5: Solve for x
x = 77,259,814,216,723.91/10,363,919.80 - Step 6: Final answer
x = 7,454,690.48
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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.