Finding the Fourth Proportional to 11,430,819, 15,774,733.80 and 6,274,660.32
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Solution
The fourth proportional to 11,430,819, 15,774,733.80 and 6,274,660.32 is: 8,659,142.99
Step by Step Solution
- Step 1: Write the proportion equation
11,430,819 : 15,774,733.80 = 6,274,660.32 : x - Step 2: Convert to fraction form
11,430,819/15,774,733.80 = 6,274,660.32/x - Step 3: Cross multiply
11,430,819x = 15,774,733.80 × 6,274,660.32 - Step 4: Simplify right side
11,430,819x = 98,981,096,233,422.83 - Step 5: Solve for x
x = 98,981,096,233,422.83/11,430,819 - Step 6: Final answer
x = 8,659,142.99
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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.