Finding the Fourth Proportional to 7,410,825.68, 11,119,417.74 and 2,865,067.04
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Solution
The fourth proportional to 7,410,825.68, 11,119,417.74 and 2,865,067.04 is: 4,298,829.66
Step by Step Solution
- Step 1: Write the proportion equation
7,410,825.68 : 11,119,417.74 = 2,865,067.04 : x - Step 2: Convert to fraction form
7,410,825.68/11,119,417.74 = 2,865,067.04/x - Step 3: Cross multiply
7,410,825.68x = 11,119,417.74 × 2,865,067.04 - Step 4: Simplify right side
7,410,825.68x = 31,857,877,270,865.29 - Step 5: Solve for x
x = 31,857,877,270,865.29/7,410,825.68 - Step 6: Final answer
x = 4,298,829.66
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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.