Finding the Fourth Proportional to 14,836,765.51, 22,216,820.74 and 10,239,940.28
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Solution
The fourth proportional to 14,836,765.51, 22,216,820.74 and 10,239,940.28 is: 15,333,457.78
Step by Step Solution
- Step 1: Write the proportion equation
14,836,765.51 : 22,216,820.74 = 10,239,940.28 : x - Step 2: Convert to fraction form
14,836,765.51/22,216,820.74 = 10,239,940.28/x - Step 3: Cross multiply
14,836,765.51x = 22,216,820.74 × 10,239,940.28 - Step 4: Simplify right side
14,836,765.51x = 227,498,917,589,065.38 - Step 5: Solve for x
x = 227,498,917,589,065.38/14,836,765.51 - Step 6: Final answer
x = 15,333,457.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.