Finding the Fourth Proportional to 18,455,920.80, 27,675,586.80 and 7,092,592.80
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Solution
The fourth proportional to 18,455,920.80, 27,675,586.80 and 7,092,592.80 is: 10,635,701.67
Step by Step Solution
- Step 1: Write the proportion equation
18,455,920.80 : 27,675,586.80 = 7,092,592.80 : x - Step 2: Convert to fraction form
18,455,920.80/27,675,586.80 = 7,092,592.80/x - Step 3: Cross multiply
18,455,920.80x = 27,675,586.80 × 7,092,592.80 - Step 4: Simplify right side
18,455,920.80x = 196,291,667,673,455.03 - Step 5: Solve for x
x = 196,291,667,673,455.03/18,455,920.80 - Step 6: Final answer
x = 10,635,701.67
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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.