Finding the Fourth Proportional to 11,627,067.75, 16,046,881.38 and 6,667,449.98
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Solution
The fourth proportional to 11,627,067.75, 16,046,881.38 and 6,667,449.98 is: 9,201,957.12
Step by Step Solution
- Step 1: Write the proportion equation
11,627,067.75 : 16,046,881.38 = 6,667,449.98 : x - Step 2: Convert to fraction form
11,627,067.75/16,046,881.38 = 6,667,449.98/x - Step 3: Cross multiply
11,627,067.75x = 16,046,881.38 × 6,667,449.98 - Step 4: Simplify right side
11,627,067.75x = 106,991,778,855,908.97 - Step 5: Solve for x
x = 106,991,778,855,908.97/11,627,067.75 - Step 6: Final answer
x = 9,201,957.12
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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.