Finding the Fourth Proportional to 11,684,308.97, 16,123,849.70 and 6,457,512.92
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Solution
The fourth proportional to 11,684,308.97, 16,123,849.70 and 6,457,512.92 is: 8,911,093.33
Step by Step Solution
- Step 1: Write the proportion equation
11,684,308.97 : 16,123,849.70 = 6,457,512.92 : x - Step 2: Convert to fraction form
11,684,308.97/16,123,849.70 = 6,457,512.92/x - Step 3: Cross multiply
11,684,308.97x = 16,123,849.70 × 6,457,512.92 - Step 4: Simplify right side
11,684,308.97x = 104,119,967,644,981.31 - Step 5: Solve for x
x = 104,119,967,644,981.31/11,684,308.97 - Step 6: Final answer
x = 8,911,093.33
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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.