Finding the Fourth Proportional to 25,183,180.80, 37,782,480.44 and 12,895,844.02
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Solution
The fourth proportional to 25,183,180.80, 37,782,480.44 and 12,895,844.02 is: 19,347,713.79
Step by Step Solution
- Step 1: Write the proportion equation
25,183,180.80 : 37,782,480.44 = 12,895,844.02 : x - Step 2: Convert to fraction form
25,183,180.80/37,782,480.44 = 12,895,844.02/x - Step 3: Cross multiply
25,183,180.80x = 37,782,480.44 × 12,895,844.02 - Step 4: Simplify right side
25,183,180.80x = 487,236,974,442,940.94 - Step 5: Solve for x
x = 487,236,974,442,940.94/25,183,180.80 - Step 6: Final answer
x = 19,347,713.79
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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.