Finding the Fourth Proportional to 15,110,515.20, 20,853,250.29 and 8,497,185.02
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Solution
The fourth proportional to 15,110,515.20, 20,853,250.29 and 8,497,185.02 is: 11,726,531.07
Step by Step Solution
- Step 1: Write the proportion equation
15,110,515.20 : 20,853,250.29 = 8,497,185.02 : x - Step 2: Convert to fraction form
15,110,515.20/20,853,250.29 = 8,497,185.02/x - Step 3: Cross multiply
15,110,515.20x = 20,853,250.29 × 8,497,185.02 - Step 4: Simplify right side
15,110,515.20x = 177,193,925,982,498.62 - Step 5: Solve for x
x = 177,193,925,982,498.62/15,110,515.20 - Step 6: Final answer
x = 11,726,531.07
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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.