Finding the Fourth Proportional to 27,660,376.53, 38,176,316.19 and 16,497,584.98
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Solution
The fourth proportional to 27,660,376.53, 38,176,316.19 and 16,497,584.98 is: 22,769,647.40
Step by Step Solution
- Step 1: Write the proportion equation
27,660,376.53 : 38,176,316.19 = 16,497,584.98 : x - Step 2: Convert to fraction form
27,660,376.53/38,176,316.19 = 16,497,584.98/x - Step 3: Cross multiply
27,660,376.53x = 38,176,316.19 × 16,497,584.98 - Step 4: Simplify right side
27,660,376.53x = 629,817,020,472,434 - Step 5: Solve for x
x = 629,817,020,472,434/27,660,376.53 - Step 6: Final answer
x = 22,769,647.40
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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.