Finding the Fourth Proportional to 11,508,881.49, 15,881,124.96 and 6,351,910.56
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Solution
The fourth proportional to 11,508,881.49, 15,881,124.96 and 6,351,910.56 is: 8,765,012.08
Step by Step Solution
- Step 1: Write the proportion equation
11,508,881.49 : 15,881,124.96 = 6,351,910.56 : x - Step 2: Convert to fraction form
11,508,881.49/15,881,124.96 = 6,351,910.56/x - Step 3: Cross multiply
11,508,881.49x = 15,881,124.96 × 6,351,910.56 - Step 4: Simplify right side
11,508,881.49x = 100,875,485,338,103.58 - Step 5: Solve for x
x = 100,875,485,338,103.58/11,508,881.49 - Step 6: Final answer
x = 8,765,012.08
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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.