Finding the Fourth Proportional to 21,526,131.87, 29,706,294.29 and 11,736,496.62
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Solution
The fourth proportional to 21,526,131.87, 29,706,294.29 and 11,736,496.62 is: 16,196,491.99
Step by Step Solution
- Step 1: Write the proportion equation
21,526,131.87 : 29,706,294.29 = 11,736,496.62 : x - Step 2: Convert to fraction form
21,526,131.87/29,706,294.29 = 11,736,496.62/x - Step 3: Cross multiply
21,526,131.87x = 29,706,294.29 × 11,736,496.62 - Step 4: Simplify right side
21,526,131.87x = 348,647,822,468,627.81 - Step 5: Solve for x
x = 348,647,822,468,627.81/21,526,131.87 - Step 6: Final answer
x = 16,196,491.99
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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.