Finding the Fourth Proportional to 19,528,414.13, 29,297,491.91 and 13,782,371.84
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Solution
The fourth proportional to 19,528,414.13, 29,297,491.91 and 13,782,371.84 is: 20,676,995.31
Step by Step Solution
- Step 1: Write the proportion equation
19,528,414.13 : 29,297,491.91 = 13,782,371.84 : x - Step 2: Convert to fraction form
19,528,414.13/29,297,491.91 = 13,782,371.84/x - Step 3: Cross multiply
19,528,414.13x = 29,297,491.91 × 13,782,371.84 - Step 4: Simplify right side
19,528,414.13x = 403,788,927,267,612.56 - Step 5: Solve for x
x = 403,788,927,267,612.56/19,528,414.13 - Step 6: Final answer
x = 20,676,995.31
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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.