Finding the Fourth Proportional to 27,290,778.24, 37,660,988.34 and 14,900,833.26
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Solution
The fourth proportional to 27,290,778.24, 37,660,988.34 and 14,900,833.26 is: 20,562,993.94
Step by Step Solution
- Step 1: Write the proportion equation
27,290,778.24 : 37,660,988.34 = 14,900,833.26 : x - Step 2: Convert to fraction form
27,290,778.24/37,660,988.34 = 14,900,833.26/x - Step 3: Cross multiply
27,290,778.24x = 37,660,988.34 × 14,900,833.26 - Step 4: Simplify right side
27,290,778.24x = 561,180,107,661,144.25 - Step 5: Solve for x
x = 561,180,107,661,144.25/27,290,778.24 - Step 6: Final answer
x = 20,562,993.94
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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.