Finding the Fourth Proportional to 55,846,837.80, 83,770,256.70 and 15,457,321.80
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Solution
The fourth proportional to 55,846,837.80, 83,770,256.70 and 15,457,321.80 is: 23,185,982.70
Step by Step Solution
- Step 1: Write the proportion equation
55,846,837.80 : 83,770,256.70 = 15,457,321.80 : x - Step 2: Convert to fraction form
55,846,837.80/83,770,256.70 = 15,457,321.80/x - Step 3: Cross multiply
55,846,837.80x = 83,770,256.70 × 15,457,321.80 - Step 4: Simplify right side
55,846,837.80x = 1,294,863,815,080,506.25 - Step 5: Solve for x
x = 1,294,863,815,080,506.25/55,846,837.80 - Step 6: Final answer
x = 23,185,982.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.