Finding the Fourth Proportional to 13,376,695.97, 18,459,222.68 and 7,575,519.24
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Solution
The fourth proportional to 13,376,695.97, 18,459,222.68 and 7,575,519.24 is: 10,453,866.70
Step by Step Solution
- Step 1: Write the proportion equation
13,376,695.97 : 18,459,222.68 = 7,575,519.24 : x - Step 2: Convert to fraction form
13,376,695.97/18,459,222.68 = 7,575,519.24/x - Step 3: Cross multiply
13,376,695.97x = 18,459,222.68 × 7,575,519.24 - Step 4: Simplify right side
13,376,695.97x = 139,838,196,529,906.78 - Step 5: Solve for x
x = 139,838,196,529,906.78/13,376,695.97 - Step 6: Final answer
x = 10,453,866.70
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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.