Finding the Fourth Proportional to 7,264,877.28, 10,025,160.12 and 4,001,621.76
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Solution
The fourth proportional to 7,264,877.28, 10,025,160.12 and 4,001,621.76 is: 5,522,033.94
Step by Step Solution
- Step 1: Write the proportion equation
7,264,877.28 : 10,025,160.12 = 4,001,621.76 : x - Step 2: Convert to fraction form
7,264,877.28/10,025,160.12 = 4,001,621.76/x - Step 3: Cross multiply
7,264,877.28x = 10,025,160.12 × 4,001,621.76 - Step 4: Simplify right side
7,264,877.28x = 40,116,898,883,676.20 - Step 5: Solve for x
x = 40,116,898,883,676.20/7,264,877.28 - Step 6: Final answer
x = 5,522,033.94
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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.