Finding the Fourth Proportional to 10,977,168.74, 15,148,478.00 and 6,082,707.79
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Solution
The fourth proportional to 10,977,168.74, 15,148,478.00 and 6,082,707.79 is: 8,394,128.52
Step by Step Solution
- Step 1: Write the proportion equation
10,977,168.74 : 15,148,478.00 = 6,082,707.79 : x - Step 2: Convert to fraction form
10,977,168.74/15,148,478.00 = 6,082,707.79/x - Step 3: Cross multiply
10,977,168.74x = 15,148,478.00 × 6,082,707.79 - Step 4: Simplify right side
10,977,168.74x = 92,143,765,137,170.75 - Step 5: Solve for x
x = 92,143,765,137,170.75/10,977,168.74 - Step 6: Final answer
x = 8,394,128.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.