Finding the Fourth Proportional to 32,701,888.38, 45,129,629.07 and 18,765,795.42
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Solution
The fourth proportional to 32,701,888.38, 45,129,629.07 and 18,765,795.42 is: 25,897,384.78
Step by Step Solution
- Step 1: Write the proportion equation
32,701,888.38 : 45,129,629.07 = 18,765,795.42 : x - Step 2: Convert to fraction form
32,701,888.38/45,129,629.07 = 18,765,795.42/x - Step 3: Cross multiply
32,701,888.38x = 45,129,629.07 × 18,765,795.42 - Step 4: Simplify right side
32,701,888.38x = 846,893,386,508,105 - Step 5: Solve for x
x = 846,893,386,508,105/32,701,888.38 - Step 6: Final answer
x = 25,897,384.78
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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.