Finding the Fourth Proportional to 7,656,045.20, 11,485,749.34 and 2,264,275.26
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Solution
The fourth proportional to 7,656,045.20, 11,485,749.34 and 2,264,275.26 is: 3,396,910.21
Step by Step Solution
- Step 1: Write the proportion equation
7,656,045.20 : 11,485,749.34 = 2,264,275.26 : x - Step 2: Convert to fraction form
7,656,045.20/11,485,749.34 = 2,264,275.26/x - Step 3: Cross multiply
7,656,045.20x = 11,485,749.34 × 2,264,275.26 - Step 4: Simplify right side
7,656,045.20x = 26,006,898,073,123.32 - Step 5: Solve for x
x = 26,006,898,073,123.32/7,656,045.20 - Step 6: Final answer
x = 3,396,910.21
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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.