Finding the Fourth Proportional to 7,824,431.12, 11,735,648.76 and 3,028,839.44
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Solution
The fourth proportional to 7,824,431.12, 11,735,648.76 and 3,028,839.44 is: 4,542,872.86
Step by Step Solution
- Step 1: Write the proportion equation
7,824,431.12 : 11,735,648.76 = 3,028,839.44 : x - Step 2: Convert to fraction form
7,824,431.12/11,735,648.76 = 3,028,839.44/x - Step 3: Cross multiply
7,824,431.12x = 11,735,648.76 × 3,028,839.44 - Step 4: Simplify right side
7,824,431.12x = 35,545,395,818,275.09 - Step 5: Solve for x
x = 35,545,395,818,275.09/7,824,431.12 - Step 6: Final answer
x = 4,542,872.86
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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.