Finding the Fourth Proportional to 9,264,473.12, 12,784,974.12 and 5,134,770.88
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Solution
The fourth proportional to 9,264,473.12, 12,784,974.12 and 5,134,770.88 is: 7,085,984.49
Step by Step Solution
- Step 1: Write the proportion equation
9,264,473.12 : 12,784,974.12 = 5,134,770.88 : x - Step 2: Convert to fraction form
9,264,473.12/12,784,974.12 = 5,134,770.88/x - Step 3: Cross multiply
9,264,473.12x = 12,784,974.12 × 5,134,770.88 - Step 4: Simplify right side
9,264,473.12x = 65,647,912,812,929.62 - Step 5: Solve for x
x = 65,647,912,812,929.62/9,264,473.12 - Step 6: Final answer
x = 7,085,984.49
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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.