Finding the Fourth Proportional to 7,962,729.24, 10,985,101.16 and 5,060,565.66
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Solution
The fourth proportional to 7,962,729.24, 10,985,101.16 and 5,060,565.66 is: 6,981,378.37
Step by Step Solution
- Step 1: Write the proportion equation
7,962,729.24 : 10,985,101.16 = 5,060,565.66 : x - Step 2: Convert to fraction form
7,962,729.24/10,985,101.16 = 5,060,565.66/x - Step 3: Cross multiply
7,962,729.24x = 10,985,101.16 × 5,060,565.66 - Step 4: Simplify right side
7,962,729.24x = 55,590,825,676,619.34 - Step 5: Solve for x
x = 55,590,825,676,619.34/7,962,729.24 - Step 6: Final answer
x = 6,981,378.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.