Finding the Fourth Proportional to 7,912,217.26, 10,918,275.42 and 4,427,093.44
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Solution
The fourth proportional to 7,912,217.26, 10,918,275.42 and 4,427,093.44 is: 6,109,061.96
Step by Step Solution
- Step 1: Write the proportion equation
7,912,217.26 : 10,918,275.42 = 4,427,093.44 : x - Step 2: Convert to fraction form
7,912,217.26/10,918,275.42 = 4,427,093.44/x - Step 3: Cross multiply
7,912,217.26x = 10,918,275.42 × 4,427,093.44 - Step 4: Simplify right side
7,912,217.26x = 48,336,225,487,995.25 - Step 5: Solve for x
x = 48,336,225,487,995.25/7,912,217.26 - Step 6: Final answer
x = 6,109,061.96
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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.