Finding the Fourth Proportional to 33,014,621.18, 45,561,600.17 and 18,330,288.18
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Solution
The fourth proportional to 33,014,621.18, 45,561,600.17 and 18,330,288.18 is: 25,296,587.73
Step by Step Solution
- Step 1: Write the proportion equation
33,014,621.18 : 45,561,600.17 = 18,330,288.18 : x - Step 2: Convert to fraction form
33,014,621.18/45,561,600.17 = 18,330,288.18/x - Step 3: Cross multiply
33,014,621.18x = 45,561,600.17 × 18,330,288.18 - Step 4: Simplify right side
33,014,621.18x = 835,157,261,058,037 - Step 5: Solve for x
x = 835,157,261,058,037/33,014,621.18 - Step 6: Final answer
x = 25,296,587.73
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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.