Finding the Fourth Proportional to 11,427,956.28, 15,770,771.28 and 6,271,797.60
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Solution
The fourth proportional to 11,427,956.28, 15,770,771.28 and 6,271,797.60 is: 8,655,185.85
Step by Step Solution
- Step 1: Write the proportion equation
11,427,956.28 : 15,770,771.28 = 6,271,797.60 : x - Step 2: Convert to fraction form
11,427,956.28/15,770,771.28 = 6,271,797.60/x - Step 3: Cross multiply
11,427,956.28x = 15,770,771.28 × 6,271,797.60 - Step 4: Simplify right side
11,427,956.28x = 98,911,085,464,052.92 - Step 5: Solve for x
x = 98,911,085,464,052.92/11,427,956.28 - Step 6: Final answer
x = 8,655,185.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.