Finding the Fourth Proportional to 32,701,892.88, 45,129,635.28 and 18,765,799.92
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Solution
The fourth proportional to 32,701,892.88, 45,129,635.28 and 18,765,799.92 is: 25,897,390.99
Step by Step Solution
- Step 1: Write the proportion equation
32,701,892.88 : 45,129,635.28 = 18,765,799.92 : x - Step 2: Convert to fraction form
32,701,892.88/45,129,635.28 = 18,765,799.92/x - Step 3: Cross multiply
32,701,892.88x = 45,129,635.28 × 18,765,799.92 - Step 4: Simplify right side
32,701,892.88x = 846,893,706,127,053.25 - Step 5: Solve for x
x = 846,893,706,127,053.25/32,701,892.88 - Step 6: Final answer
x = 25,897,390.99
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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.