Finding the Fourth Proportional to 19,977,872.36, 27,569,536.52 and 10,810,515.12
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Solution
The fourth proportional to 19,977,872.36, 27,569,536.52 and 10,810,515.12 is: 14,918,550.19
Step by Step Solution
- Step 1: Write the proportion equation
19,977,872.36 : 27,569,536.52 = 10,810,515.12 : x - Step 2: Convert to fraction form
19,977,872.36/27,569,536.52 = 10,810,515.12/x - Step 3: Cross multiply
19,977,872.36x = 27,569,536.52 × 10,810,515.12 - Step 4: Simplify right side
19,977,872.36x = 298,040,891,400,852.12 - Step 5: Solve for x
x = 298,040,891,400,852.12/19,977,872.36 - Step 6: Final answer
x = 14,918,550.19
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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.