Finding the Fourth Proportional to 34,276,380.87, 47,301,497.29 and 18,595,405.33
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Solution
The fourth proportional to 34,276,380.87, 47,301,497.29 and 18,595,405.33 is: 25,661,709.09
Step by Step Solution
- Step 1: Write the proportion equation
34,276,380.87 : 47,301,497.29 = 18,595,405.33 : x - Step 2: Convert to fraction form
34,276,380.87/47,301,497.29 = 18,595,405.33/x - Step 3: Cross multiply
34,276,380.87x = 47,301,497.29 × 18,595,405.33 - Step 4: Simplify right side
34,276,380.87x = 879,590,514,586,939 - Step 5: Solve for x
x = 879,590,514,586,939/34,276,380.87 - Step 6: Final answer
x = 25,661,709.09
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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.