Finding the Fourth Proportional to 21,467,844.12, 29,625,601.98 and 11,678,265.21
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Solution
The fourth proportional to 21,467,844.12, 29,625,601.98 and 11,678,265.21 is: 16,115,993.53
Step by Step Solution
- Step 1: Write the proportion equation
21,467,844.12 : 29,625,601.98 = 11,678,265.21 : x - Step 2: Convert to fraction form
21,467,844.12/29,625,601.98 = 11,678,265.21/x - Step 3: Cross multiply
21,467,844.12x = 29,625,601.98 × 11,678,265.21 - Step 4: Simplify right side
21,467,844.12x = 345,975,636,928,341.12 - Step 5: Solve for x
x = 345,975,636,928,341.12/21,467,844.12 - Step 6: Final answer
x = 16,115,993.53
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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.