Finding the Fourth Proportional to 11,508,148.87, 15,881,212.96 and 6,351,473.52
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Solution
The fourth proportional to 11,508,148.87, 15,881,212.96 and 6,351,473.52 is: 8,765,015.53
Step by Step Solution
- Step 1: Write the proportion equation
11,508,148.87 : 15,881,212.96 = 6,351,473.52 : x - Step 2: Convert to fraction form
11,508,148.87/15,881,212.96 = 6,351,473.52/x - Step 3: Cross multiply
11,508,148.87x = 15,881,212.96 × 6,351,473.52 - Step 4: Simplify right side
11,508,148.87x = 100,869,103,580,920.81 - Step 5: Solve for x
x = 100,869,103,580,920.81/11,508,148.87 - Step 6: Final answer
x = 8,765,015.53
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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.