Finding the Fourth Proportional to 16,857,675.24, 23,263,649.76 and 9,122,715.54
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Solution
The fourth proportional to 16,857,675.24, 23,263,649.76 and 9,122,715.54 is: 12,589,378.79
Step by Step Solution
- Step 1: Write the proportion equation
16,857,675.24 : 23,263,649.76 = 9,122,715.54 : x - Step 2: Convert to fraction form
16,857,675.24/23,263,649.76 = 9,122,715.54/x - Step 3: Cross multiply
16,857,675.24x = 23,263,649.76 × 9,122,715.54 - Step 4: Simplify right side
16,857,675.24x = 212,227,659,182,669.25 - Step 5: Solve for x
x = 212,227,659,182,669.25/16,857,675.24 - Step 6: Final answer
x = 12,589,378.79
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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.