Finding the Fourth Proportional to 33,014,661.84, 45,561,656.25 and 18,330,330.09
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Solution
The fourth proportional to 33,014,661.84, 45,561,656.25 and 18,330,330.09 is: 25,296,645.55
Step by Step Solution
- Step 1: Write the proportion equation
33,014,661.84 : 45,561,656.25 = 18,330,330.09 : x - Step 2: Convert to fraction form
33,014,661.84/45,561,656.25 = 18,330,330.09/x - Step 3: Cross multiply
33,014,661.84x = 45,561,656.25 × 18,330,330.09 - Step 4: Simplify right side
33,014,661.84x = 835,160,198,509,611.50 - Step 5: Solve for x
x = 835,160,198,509,611.50/33,014,661.84 - Step 6: Final answer
x = 25,296,645.55
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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.