Finding the Fourth Proportional to 15,440,709.36, 23,161,230.36 and 4,658,103.66
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Solution
The fourth proportional to 15,440,709.36, 23,161,230.36 and 4,658,103.66 is: 6,987,205.66
Step by Step Solution
- Step 1: Write the proportion equation
15,440,709.36 : 23,161,230.36 = 4,658,103.66 : x - Step 2: Convert to fraction form
15,440,709.36/23,161,230.36 = 4,658,103.66/x - Step 3: Cross multiply
15,440,709.36x = 23,161,230.36 × 4,658,103.66 - Step 4: Simplify right side
15,440,709.36x = 107,887,411,910,019.12 - Step 5: Solve for x
x = 107,887,411,910,019.12/15,440,709.36 - Step 6: Final answer
x = 6,987,205.66
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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.