Finding the Fourth Proportional to 8,327,376.14, 11,488,259.84 and 5,574,949.16
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Solution
The fourth proportional to 8,327,376.14, 11,488,259.84 and 5,574,949.16 is: 7,691,073.81
Step by Step Solution
- Step 1: Write the proportion equation
8,327,376.14 : 11,488,259.84 = 5,574,949.16 : x - Step 2: Convert to fraction form
8,327,376.14/11,488,259.84 = 5,574,949.16/x - Step 3: Cross multiply
8,327,376.14x = 11,488,259.84 × 5,574,949.16 - Step 4: Simplify right side
8,327,376.14x = 64,046,464,544,869.73 - Step 5: Solve for x
x = 64,046,464,544,869.73/8,327,376.14 - Step 6: Final answer
x = 7,691,073.81
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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.