Finding the Fourth Proportional to 18,750,261.26, 28,128,087.06 and 5,797,422.08
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Solution
The fourth proportional to 18,750,261.26, 28,128,087.06 and 5,797,422.08 is: 8,696,966.44
Step by Step Solution
- Step 1: Write the proportion equation
18,750,261.26 : 28,128,087.06 = 5,797,422.08 : x - Step 2: Convert to fraction form
18,750,261.26/28,128,087.06 = 5,797,422.08/x - Step 3: Cross multiply
18,750,261.26x = 28,128,087.06 × 5,797,422.08 - Step 4: Simplify right side
18,750,261.26x = 163,070,392,989,806.28 - Step 5: Solve for x
x = 163,070,392,989,806.28/18,750,261.26 - Step 6: Final answer
x = 8,696,966.44
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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.