Finding the Fourth Proportional to 7,391,071.80, 11,081,796.30 and 6,635,244.60
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Solution
The fourth proportional to 7,391,071.80, 11,081,796.30 and 6,635,244.60 is: 9,948,547.52
Step by Step Solution
- Step 1: Write the proportion equation
7,391,071.80 : 11,081,796.30 = 6,635,244.60 : x - Step 2: Convert to fraction form
7,391,071.80/11,081,796.30 = 6,635,244.60/x - Step 3: Cross multiply
7,391,071.80x = 11,081,796.30 × 6,635,244.60 - Step 4: Simplify right side
7,391,071.80x = 73,530,429,057,874.98 - Step 5: Solve for x
x = 73,530,429,057,874.98/7,391,071.80 - Step 6: Final answer
x = 9,948,547.52
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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.