Finding the Fourth Proportional to 8,329,519.24, 12,493,011.48 and 3,211,202.14
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Solution
The fourth proportional to 8,329,519.24, 12,493,011.48 and 3,211,202.14 is: 4,816,314.61
Step by Step Solution
- Step 1: Write the proportion equation
8,329,519.24 : 12,493,011.48 = 3,211,202.14 : x - Step 2: Convert to fraction form
8,329,519.24/12,493,011.48 = 3,211,202.14/x - Step 3: Cross multiply
8,329,519.24x = 12,493,011.48 × 3,211,202.14 - Step 4: Simplify right side
8,329,519.24x = 40,117,585,199,620.57 - Step 5: Solve for x
x = 40,117,585,199,620.57/8,329,519.24 - Step 6: Final answer
x = 4,816,314.61
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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.