Finding the Fourth Proportional to 11,324,664.51, 15,629,579.69 and 6,679,761.63
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Solution
The fourth proportional to 11,324,664.51, 15,629,579.69 and 6,679,761.63 is: 9,218,980.98
Step by Step Solution
- Step 1: Write the proportion equation
11,324,664.51 : 15,629,579.69 = 6,679,761.63 : x - Step 2: Convert to fraction form
11,324,664.51/15,629,579.69 = 6,679,761.63/x - Step 3: Cross multiply
11,324,664.51x = 15,629,579.69 × 6,679,761.63 - Step 4: Simplify right side
11,324,664.51x = 104,401,866,672,890.48 - Step 5: Solve for x
x = 104,401,866,672,890.48/11,324,664.51 - Step 6: Final answer
x = 9,218,980.98
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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.