Finding the Fourth Proportional to 14,646,027.84, 20,212,711.68 and 8,121,703.68
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Solution
The fourth proportional to 14,646,027.84, 20,212,711.68 and 8,121,703.68 is: 11,208,612.78
Step by Step Solution
- Step 1: Write the proportion equation
14,646,027.84 : 20,212,711.68 = 8,121,703.68 : x - Step 2: Convert to fraction form
14,646,027.84/20,212,711.68 = 8,121,703.68/x - Step 3: Cross multiply
14,646,027.84x = 20,212,711.68 × 8,121,703.68 - Step 4: Simplify right side
14,646,027.84x = 164,161,654,834,234.97 - Step 5: Solve for x
x = 164,161,654,834,234.97/14,646,027.84 - Step 6: Final answer
x = 11,208,612.78
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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.