Finding the Fourth Proportional to 11,083,822.74, 15,306,238.58 and 10,479,980.97
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Solution
The fourth proportional to 11,083,822.74, 15,306,238.58 and 10,479,980.97 is: 14,472,361.45
Step by Step Solution
- Step 1: Write the proportion equation
11,083,822.74 : 15,306,238.58 = 10,479,980.97 : x - Step 2: Convert to fraction form
11,083,822.74/15,306,238.58 = 10,479,980.97/x - Step 3: Cross multiply
11,083,822.74x = 15,306,238.58 × 10,479,980.97 - Step 4: Simplify right side
11,083,822.74x = 160,409,088,988,279.91 - Step 5: Solve for x
x = 160,409,088,988,279.91/11,083,822.74 - Step 6: Final answer
x = 14,472,361.45
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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.