Finding the Fourth Proportional to 27,151,852.42, 37,467,336.81 and 15,986,579.14
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Solution
The fourth proportional to 27,151,852.42, 37,467,336.81 and 15,986,579.14 is: 22,060,172.39
Step by Step Solution
- Step 1: Write the proportion equation
27,151,852.42 : 37,467,336.81 = 15,986,579.14 : x - Step 2: Convert to fraction form
27,151,852.42/37,467,336.81 = 15,986,579.14/x - Step 3: Cross multiply
27,151,852.42x = 37,467,336.81 × 15,986,579.14 - Step 4: Simplify right side
27,151,852.42x = 598,974,545,078,100.25 - Step 5: Solve for x
x = 598,974,545,078,100.25/27,151,852.42 - Step 6: Final answer
x = 22,060,172.39
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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.