Finding the Fourth Proportional to 11,508,107.40, 15,881,110.07 and 6,351,468.93
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Solution
The fourth proportional to 11,508,107.40, 15,881,110.07 and 6,351,468.93 is: 8,764,983.99
Step by Step Solution
- Step 1: Write the proportion equation
11,508,107.40 : 15,881,110.07 = 6,351,468.93 : x - Step 2: Convert to fraction form
11,508,107.40/15,881,110.07 = 6,351,468.93/x - Step 3: Cross multiply
11,508,107.40x = 15,881,110.07 × 6,351,468.93 - Step 4: Simplify right side
11,508,107.40x = 100,868,377,151,757.77 - Step 5: Solve for x
x = 100,868,377,151,757.77/11,508,107.40 - Step 6: Final answer
x = 8,764,983.99
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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.