Finding the Fourth Proportional to 20,095,203.56, 30,114,880.07 and 10,491,424.99
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Solution
The fourth proportional to 20,095,203.56, 30,114,880.07 and 10,491,424.99 is: 15,722,558.09
Step by Step Solution
- Step 1: Write the proportion equation
20,095,203.56 : 30,114,880.07 = 10,491,424.99 : x - Step 2: Convert to fraction form
20,095,203.56/30,114,880.07 = 10,491,424.99/x - Step 3: Cross multiply
20,095,203.56x = 30,114,880.07 × 10,491,424.99 - Step 4: Simplify right side
20,095,203.56x = 315,948,005,209,506.69 - Step 5: Solve for x
x = 315,948,005,209,506.69/20,095,203.56 - Step 6: Final answer
x = 15,722,558.09
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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.