Finding the Fourth Proportional to 7,397,789.12, 11,096,683.68 and 2,079,005.12
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Solution
The fourth proportional to 7,397,789.12, 11,096,683.68 and 2,079,005.12 is: 3,118,507.68
Step by Step Solution
- Step 1: Write the proportion equation
7,397,789.12 : 11,096,683.68 = 2,079,005.12 : x - Step 2: Convert to fraction form
7,397,789.12/11,096,683.68 = 2,079,005.12/x - Step 3: Cross multiply
7,397,789.12x = 11,096,683.68 × 2,079,005.12 - Step 4: Simplify right side
7,397,789.12x = 23,070,062,185,740.44 - Step 5: Solve for x
x = 23,070,062,185,740.44/7,397,789.12 - Step 6: Final answer
x = 3,118,507.68
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1.5x scale
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.