Finding the Fourth Proportional to 7,417,157.92, 11,122,249.22 and 2,870,347.97
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Solution
The fourth proportional to 7,417,157.92, 11,122,249.22 and 2,870,347.97 is: 4,304,172.27
Step by Step Solution
- Step 1: Write the proportion equation
7,417,157.92 : 11,122,249.22 = 2,870,347.97 : x - Step 2: Convert to fraction form
7,417,157.92/11,122,249.22 = 2,870,347.97/x - Step 3: Cross multiply
7,417,157.92x = 11,122,249.22 × 2,870,347.97 - Step 4: Simplify right side
7,417,157.92x = 31,924,725,470,461.09 - Step 5: Solve for x
x = 31,924,725,470,461.09/7,417,157.92 - Step 6: Final answer
x = 4,304,172.27
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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.