Finding the Fourth Proportional to 27,869,481.74, 41,817,918.09 and 12,527,611.13
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Solution
The fourth proportional to 27,869,481.74, 41,817,918.09 and 12,527,611.13 is: 18,797,572.95
Step by Step Solution
- Step 1: Write the proportion equation
27,869,481.74 : 41,817,918.09 = 12,527,611.13 : x - Step 2: Convert to fraction form
27,869,481.74/41,817,918.09 = 12,527,611.13/x - Step 3: Cross multiply
27,869,481.74x = 41,817,918.09 × 12,527,611.13 - Step 4: Simplify right side
27,869,481.74x = 523,878,615,888,622.81 - Step 5: Solve for x
x = 523,878,615,888,622.81/27,869,481.74 - Step 6: Final answer
x = 18,797,572.95
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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.