Finding the Fourth Proportional to 30,107,231.21, 41,548,270.25 and 16,356,293.75
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Solution
The fourth proportional to 30,107,231.21, 41,548,270.25 and 16,356,293.75 is: 22,571,843.56
Step by Step Solution
- Step 1: Write the proportion equation
30,107,231.21 : 41,548,270.25 = 16,356,293.75 : x - Step 2: Convert to fraction form
30,107,231.21/41,548,270.25 = 16,356,293.75/x - Step 3: Cross multiply
30,107,231.21x = 41,548,270.25 × 16,356,293.75 - Step 4: Simplify right side
30,107,231.21x = 679,575,712,846,535.25 - Step 5: Solve for x
x = 679,575,712,846,535.25/30,107,231.21 - Step 6: Final answer
x = 22,571,843.56
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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.