Finding the Fourth Proportional to 11,397,303.47, 15,728,304.24 and 6,170,366.72
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Solution
The fourth proportional to 11,397,303.47, 15,728,304.24 and 6,170,366.72 is: 8,515,119.85
Step by Step Solution
- Step 1: Write the proportion equation
11,397,303.47 : 15,728,304.24 = 6,170,366.72 : x - Step 2: Convert to fraction form
11,397,303.47/15,728,304.24 = 6,170,366.72/x - Step 3: Cross multiply
11,397,303.47x = 15,728,304.24 × 6,170,366.72 - Step 4: Simplify right side
11,397,303.47x = 97,049,404,965,889.38 - Step 5: Solve for x
x = 97,049,404,965,889.38/11,397,303.47 - Step 6: Final answer
x = 8,515,119.85
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1.5x scale
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.