Finding the Fourth Proportional to 10,813,986.28, 14,923,680.63 and 5,919,212.38
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Solution
The fourth proportional to 10,813,986.28, 14,923,680.63 and 5,919,212.38 is: 8,168,720.84
Step by Step Solution
- Step 1: Write the proportion equation
10,813,986.28 : 14,923,680.63 = 5,919,212.38 : x - Step 2: Convert to fraction form
10,813,986.28/14,923,680.63 = 5,919,212.38/x - Step 3: Cross multiply
10,813,986.28x = 14,923,680.63 × 5,919,212.38 - Step 4: Simplify right side
10,813,986.28x = 88,336,435,140,262.20 - Step 5: Solve for x
x = 88,336,435,140,262.20/10,813,986.28 - Step 6: Final answer
x = 8,168,720.84
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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.