Finding the Fourth Proportional to 7,644,948.08, 11,453,969.84 and 7,189,818.80
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Solution
The fourth proportional to 7,644,948.08, 11,453,969.84 and 7,189,818.80 is: 10,772,076.77
Step by Step Solution
- Step 1: Write the proportion equation
7,644,948.08 : 11,453,969.84 = 7,189,818.80 : x - Step 2: Convert to fraction form
7,644,948.08/11,453,969.84 = 7,189,818.80/x - Step 3: Cross multiply
7,644,948.08x = 11,453,969.84 × 7,189,818.80 - Step 4: Simplify right side
7,644,948.08x = 82,351,967,597,046.05 - Step 5: Solve for x
x = 82,351,967,597,046.05/7,644,948.08 - Step 6: Final answer
x = 10,772,076.77
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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.