Finding the Fourth Proportional to 20,656,687, 30,925,195.50 and 15,560,579.24
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Solution
The fourth proportional to 20,656,687, 30,925,195.50 and 15,560,579.24 is: 23,295,795.45
Step by Step Solution
- Step 1: Write the proportion equation
20,656,687 : 30,925,195.50 = 15,560,579.24 : x - Step 2: Convert to fraction form
20,656,687/30,925,195.50 = 15,560,579.24/x - Step 3: Cross multiply
20,656,687x = 30,925,195.50 × 15,560,579.24 - Step 4: Simplify right side
20,656,687x = 481,213,955,090,241.44 - Step 5: Solve for x
x = 481,213,955,090,241.44/20,656,687 - Step 6: Final answer
x = 23,295,795.45
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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.