Finding the Fourth Proportional to 11,023,711.77, 15,207,812.60 and 6,438,010.17
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Solution
The fourth proportional to 11,023,711.77, 15,207,812.60 and 6,438,010.17 is: 8,881,586.73
Step by Step Solution
- Step 1: Write the proportion equation
11,023,711.77 : 15,207,812.60 = 6,438,010.17 : x - Step 2: Convert to fraction form
11,023,711.77/15,207,812.60 = 6,438,010.17/x - Step 3: Cross multiply
11,023,711.77x = 15,207,812.60 × 6,438,010.17 - Step 4: Simplify right side
11,023,711.77x = 97,908,052,150,064.09 - Step 5: Solve for x
x = 97,908,052,150,064.09/11,023,711.77 - Step 6: Final answer
x = 8,881,586.73
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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.