Finding the Fourth Proportional to 7,229,157.22, 10,843,336.69 and 5,285,877.19
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Solution
The fourth proportional to 7,229,157.22, 10,843,336.69 and 5,285,877.19 is: 7,928,523.94
Step by Step Solution
- Step 1: Write the proportion equation
7,229,157.22 : 10,843,336.69 = 5,285,877.19 : x - Step 2: Convert to fraction form
7,229,157.22/10,843,336.69 = 5,285,877.19/x - Step 3: Cross multiply
7,229,157.22x = 10,843,336.69 × 5,285,877.19 - Step 4: Simplify right side
7,229,157.22x = 57,316,546,116,132.95 - Step 5: Solve for x
x = 57,316,546,116,132.95/7,229,157.22 - Step 6: Final answer
x = 7,928,523.94
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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.