Finding the Fourth Proportional to 15,853,195.18, 21,877,286.07 and 8,609,851.18
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Solution
The fourth proportional to 15,853,195.18, 21,877,286.07 and 8,609,851.18 is: 11,881,527.68
Step by Step Solution
- Step 1: Write the proportion equation
15,853,195.18 : 21,877,286.07 = 8,609,851.18 : x - Step 2: Convert to fraction form
15,853,195.18/21,877,286.07 = 8,609,851.18/x - Step 3: Cross multiply
15,853,195.18x = 21,877,286.07 × 8,609,851.18 - Step 4: Simplify right side
15,853,195.18x = 188,360,177,284,987.06 - Step 5: Solve for x
x = 188,360,177,284,987.06/15,853,195.18 - Step 6: Final answer
x = 11,881,527.68
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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.