Finding the Fourth Proportional to 51,975,444.97, 71,725,243.12 and 28,770,072.49
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Solution
The fourth proportional to 51,975,444.97, 71,725,243.12 and 28,770,072.49 is: 39,702,217.94
Step by Step Solution
- Step 1: Write the proportion equation
51,975,444.97 : 71,725,243.12 = 28,770,072.49 : x - Step 2: Convert to fraction form
51,975,444.97/71,725,243.12 = 28,770,072.49/x - Step 3: Cross multiply
51,975,444.97x = 71,725,243.12 × 28,770,072.49 - Step 4: Simplify right side
51,975,444.97x = 2,063,540,443,925,273.75 - Step 5: Solve for x
x = 2,063,540,443,925,273.75/51,975,444.97 - Step 6: Final answer
x = 39,702,217.94
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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.