Finding the Fourth Proportional to 7,900,797.26, 11,851,195.91 and 2,221,021.57
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Solution
The fourth proportional to 7,900,797.26, 11,851,195.91 and 2,221,021.57 is: 3,331,532.36
Step by Step Solution
- Step 1: Write the proportion equation
7,900,797.26 : 11,851,195.91 = 2,221,021.57 : x - Step 2: Convert to fraction form
7,900,797.26/11,851,195.91 = 2,221,021.57/x - Step 3: Cross multiply
7,900,797.26x = 11,851,195.91 × 2,221,021.57 - Step 4: Simplify right side
7,900,797.26x = 26,321,761,740,386.92 - Step 5: Solve for x
x = 26,321,761,740,386.92/7,900,797.26 - Step 6: Final answer
x = 3,331,532.36
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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.