Finding the Fourth Proportional to 10,479,258.93, 15,717,987.88 and 6,379,516.02
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Solution
The fourth proportional to 10,479,258.93, 15,717,987.88 and 6,379,516.02 is: 9,568,725.82
Step by Step Solution
- Step 1: Write the proportion equation
10,479,258.93 : 15,717,987.88 = 6,379,516.02 : x - Step 2: Convert to fraction form
10,479,258.93/15,717,987.88 = 6,379,516.02/x - Step 3: Cross multiply
10,479,258.93x = 15,717,987.88 × 6,379,516.02 - Step 4: Simplify right side
10,479,258.93x = 100,273,155,561,504.27 - Step 5: Solve for x
x = 100,273,155,561,504.27/10,479,258.93 - Step 6: Final answer
x = 9,568,725.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.