Finding the Fourth Proportional to 7,577,882.70, 11,370,663.45 and 3,318,092.70
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Solution
The fourth proportional to 7,577,882.70, 11,370,663.45 and 3,318,092.70 is: 4,978,820.19
Step by Step Solution
- Step 1: Write the proportion equation
7,577,882.70 : 11,370,663.45 = 3,318,092.70 : x - Step 2: Convert to fraction form
7,577,882.70/11,370,663.45 = 3,318,092.70/x - Step 3: Cross multiply
7,577,882.70x = 11,370,663.45 × 3,318,092.70 - Step 4: Simplify right side
7,577,882.70x = 37,728,915,387,601.81 - Step 5: Solve for x
x = 37,728,915,387,601.81/7,577,882.70 - Step 6: Final answer
x = 4,978,820.19
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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.