Finding the Fourth Proportional to 15,125,107.26, 22,591,218.34 and 13,683,568.08
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Solution
The fourth proportional to 15,125,107.26, 22,591,218.34 and 13,683,568.08 is: 20,438,101.29
Step by Step Solution
- Step 1: Write the proportion equation
15,125,107.26 : 22,591,218.34 = 13,683,568.08 : x - Step 2: Convert to fraction form
15,125,107.26/22,591,218.34 = 13,683,568.08/x - Step 3: Cross multiply
15,125,107.26x = 22,591,218.34 × 13,683,568.08 - Step 4: Simplify right side
15,125,107.26x = 309,128,474,131,325.62 - Step 5: Solve for x
x = 309,128,474,131,325.62/15,125,107.26 - Step 6: Final answer
x = 20,438,101.29
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.