Finding the Fourth Proportional to 11,508,771.09, 15,880,973.36 and 6,351,800.48
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Solution
The fourth proportional to 11,508,771.09, 15,880,973.36 and 6,351,800.48 is: 8,764,860.58
Step by Step Solution
- Step 1: Write the proportion equation
11,508,771.09 : 15,880,973.36 = 6,351,800.48 : x - Step 2: Convert to fraction form
11,508,771.09/15,880,973.36 = 6,351,800.48/x - Step 3: Cross multiply
11,508,771.09x = 15,880,973.36 × 6,351,800.48 - Step 4: Simplify right side
11,508,771.09x = 100,872,774,099,751.34 - Step 5: Solve for x
x = 100,872,774,099,751.34/11,508,771.09 - Step 6: Final answer
x = 8,764,860.58
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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.