Finding the Fourth Proportional to 11,581,568.84, 15,982,859.16 and 6,354,575.62
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Solution
The fourth proportional to 11,581,568.84, 15,982,859.16 and 6,354,575.62 is: 8,769,475.76
Step by Step Solution
- Step 1: Write the proportion equation
11,581,568.84 : 15,982,859.16 = 6,354,575.62 : x - Step 2: Convert to fraction form
11,581,568.84/15,982,859.16 = 6,354,575.62/x - Step 3: Cross multiply
11,581,568.84x = 15,982,859.16 × 6,354,575.62 - Step 4: Simplify right side
11,581,568.84x = 101,564,287,176,008.25 - Step 5: Solve for x
x = 101,564,287,176,008.25/11,581,568.84 - Step 6: Final answer
x = 8,769,475.76
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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.