Finding the Fourth Proportional to 38,884,060.81, 53,661,634.11 and 22,364,189.99
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Solution
The fourth proportional to 38,884,060.81, 53,661,634.11 and 22,364,189.99 is: 30,863,519.79
Step by Step Solution
- Step 1: Write the proportion equation
38,884,060.81 : 53,661,634.11 = 22,364,189.99 : x - Step 2: Convert to fraction form
38,884,060.81/53,661,634.11 = 22,364,189.99/x - Step 3: Cross multiply
38,884,060.81x = 53,661,634.11 × 22,364,189.99 - Step 4: Simplify right side
38,884,060.81x = 1,200,098,980,409,904.50 - Step 5: Solve for x
x = 1,200,098,980,409,904.50/38,884,060.81 - Step 6: Final answer
x = 30,863,519.79
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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.