Finding the Fourth Proportional to 7,462,851.90, 11,194,340.52 and 2,071,922.70
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Solution
The fourth proportional to 7,462,851.90, 11,194,340.52 and 2,071,922.70 is: 3,107,901.45
Step by Step Solution
- Step 1: Write the proportion equation
7,462,851.90 : 11,194,340.52 = 2,071,922.70 : x - Step 2: Convert to fraction form
7,462,851.90/11,194,340.52 = 2,071,922.70/x - Step 3: Cross multiply
7,462,851.90x = 11,194,340.52 × 2,071,922.70 - Step 4: Simplify right side
7,462,851.90x = 23,193,808,234,917.80 - Step 5: Solve for x
x = 23,193,808,234,917.80/7,462,851.90 - Step 6: Final answer
x = 3,107,901.45
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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.