Finding the Fourth Proportional to 21,224,543.00, 29,290,908.50 and 11,935,037.49
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Solution
The fourth proportional to 21,224,543.00, 29,290,908.50 and 11,935,037.49 is: 16,470,936.09
Step by Step Solution
- Step 1: Write the proportion equation
21,224,543.00 : 29,290,908.50 = 11,935,037.49 : x - Step 2: Convert to fraction form
21,224,543.00/29,290,908.50 = 11,935,037.49/x - Step 3: Cross multiply
21,224,543.00x = 29,290,908.50 × 11,935,037.49 - Step 4: Simplify right side
21,224,543.00x = 349,588,091,170,795.94 - Step 5: Solve for x
x = 349,588,091,170,795.94/21,224,543.00 - Step 6: Final answer
x = 16,470,936.09
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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.