Finding the Fourth Proportional to 12,861,183.98, 17,748,364.07 and 7,060,064.42
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Solution
The fourth proportional to 12,861,183.98, 17,748,364.07 and 7,060,064.42 is: 9,742,850.57
Step by Step Solution
- Step 1: Write the proportion equation
12,861,183.98 : 17,748,364.07 = 7,060,064.42 : x - Step 2: Convert to fraction form
12,861,183.98/17,748,364.07 = 7,060,064.42/x - Step 3: Cross multiply
12,861,183.98x = 17,748,364.07 × 7,060,064.42 - Step 4: Simplify right side
12,861,183.98x = 125,304,593,745,834.48 - Step 5: Solve for x
x = 125,304,593,745,834.48/12,861,183.98 - Step 6: Final answer
x = 9,742,850.57
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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.