Finding the Fourth Proportional to 6,881,246.46, 9,486,620.93 and 5,490,531.03
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Solution
The fourth proportional to 6,881,246.46, 9,486,620.93 and 5,490,531.03 is: 7,569,353.45
Step by Step Solution
- Step 1: Write the proportion equation
6,881,246.46 : 9,486,620.93 = 5,490,531.03 : x - Step 2: Convert to fraction form
6,881,246.46/9,486,620.93 = 5,490,531.03/x - Step 3: Cross multiply
6,881,246.46x = 9,486,620.93 × 5,490,531.03 - Step 4: Simplify right side
6,881,246.46x = 52,086,586,604,429.38 - Step 5: Solve for x
x = 52,086,586,604,429.38/6,881,246.46 - Step 6: Final answer
x = 7,569,353.45
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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.