Finding the Fourth Proportional to 27,489,416.44, 37,936,049.60 and 15,099,769.36
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Solution
The fourth proportional to 27,489,416.44, 37,936,049.60 and 15,099,769.36 is: 20,838,041.46
Step by Step Solution
- Step 1: Write the proportion equation
27,489,416.44 : 37,936,049.60 = 15,099,769.36 : x - Step 2: Convert to fraction form
27,489,416.44/37,936,049.60 = 15,099,769.36/x - Step 3: Cross multiply
27,489,416.44x = 37,936,049.60 × 15,099,769.36 - Step 4: Simplify right side
27,489,416.44x = 572,825,599,389,520.25 - Step 5: Solve for x
x = 572,825,599,389,520.25/27,489,416.44 - Step 6: Final answer
x = 20,838,041.46
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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.