Finding the Fourth Proportional to 10,307,274.70, 15,460,912.05 and 10,236,415.90
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Solution
The fourth proportional to 10,307,274.70, 15,460,912.05 and 10,236,415.90 is: 15,354,623.85
Step by Step Solution
- Step 1: Write the proportion equation
10,307,274.70 : 15,460,912.05 = 10,236,415.90 : x - Step 2: Convert to fraction form
10,307,274.70/15,460,912.05 = 10,236,415.90/x - Step 3: Cross multiply
10,307,274.70x = 15,460,912.05 × 10,236,415.90 - Step 4: Simplify right side
10,307,274.70x = 158,264,325,937,121.59 - Step 5: Solve for x
x = 158,264,325,937,121.59/10,307,274.70 - Step 6: Final answer
x = 15,354,623.85
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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.