Finding the Fourth Proportional to 33,079,745.76, 45,650,587.82 and 18,195,657.99
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Solution
The fourth proportional to 33,079,745.76, 45,650,587.82 and 18,195,657.99 is: 25,110,304.32
Step by Step Solution
- Step 1: Write the proportion equation
33,079,745.76 : 45,650,587.82 = 18,195,657.99 : x - Step 2: Convert to fraction form
33,079,745.76/45,650,587.82 = 18,195,657.99/x - Step 3: Cross multiply
33,079,745.76x = 45,650,587.82 × 18,195,657.99 - Step 4: Simplify right side
33,079,745.76x = 830,642,482,924,201.25 - Step 5: Solve for x
x = 830,642,482,924,201.25/33,079,745.76 - Step 6: Final answer
x = 25,110,304.32
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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.