Finding the Fourth Proportional to 10,338,261.46, 15,509,076.68 and 3,052,457.70
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Solution
The fourth proportional to 10,338,261.46, 15,509,076.68 and 3,052,457.70 is: 4,579,183.91
Step by Step Solution
- Step 1: Write the proportion equation
10,338,261.46 : 15,509,076.68 = 3,052,457.70 : x - Step 2: Convert to fraction form
10,338,261.46/15,509,076.68 = 3,052,457.70/x - Step 3: Cross multiply
10,338,261.46x = 15,509,076.68 × 3,052,457.70 - Step 4: Simplify right side
10,338,261.46x = 47,340,800,481,228.54 - Step 5: Solve for x
x = 47,340,800,481,228.54/10,338,261.46 - Step 6: Final answer
x = 4,579,183.91
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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.