Finding the Fourth Proportional to 8,520,679.62, 12,787,367.14 and 6,252,066.18
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Solution
The fourth proportional to 8,520,679.62, 12,787,367.14 and 6,252,066.18 is: 9,382,756.92
Step by Step Solution
- Step 1: Write the proportion equation
8,520,679.62 : 12,787,367.14 = 6,252,066.18 : x - Step 2: Convert to fraction form
8,520,679.62/12,787,367.14 = 6,252,066.18/x - Step 3: Cross multiply
8,520,679.62x = 12,787,367.14 × 6,252,066.18 - Step 4: Simplify right side
8,520,679.62x = 79,947,465,627,237.33 - Step 5: Solve for x
x = 79,947,465,627,237.33/8,520,679.62 - Step 6: Final answer
x = 9,382,756.92
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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.