Finding the Fourth Proportional to 8,317,132.75, 12,476,881.47 and 2,560,346.42
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Solution
The fourth proportional to 8,317,132.75, 12,476,881.47 and 2,560,346.42 is: 3,840,883.60
Step by Step Solution
- Step 1: Write the proportion equation
8,317,132.75 : 12,476,881.47 = 2,560,346.42 : x - Step 2: Convert to fraction form
8,317,132.75/12,476,881.47 = 2,560,346.42/x - Step 3: Cross multiply
8,317,132.75x = 12,476,881.47 × 2,560,346.42 - Step 4: Simplify right side
8,317,132.75x = 31,945,138,751,695.73 - Step 5: Solve for x
x = 31,945,138,751,695.73/8,317,132.75 - Step 6: Final answer
x = 3,840,883.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.