Finding the Fourth Proportional to 19,964,037.99, 27,551,648.20 and 11,259,034.41
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Solution
The fourth proportional to 19,964,037.99, 27,551,648.20 and 11,259,034.41 is: 15,538,186.98
Step by Step Solution
- Step 1: Write the proportion equation
19,964,037.99 : 27,551,648.20 = 11,259,034.41 : x - Step 2: Convert to fraction form
19,964,037.99/27,551,648.20 = 11,259,034.41/x - Step 3: Cross multiply
19,964,037.99x = 27,551,648.20 × 11,259,034.41 - Step 4: Simplify right side
19,964,037.99x = 310,204,955,136,014.56 - Step 5: Solve for x
x = 310,204,955,136,014.56/19,964,037.99 - Step 6: Final answer
x = 15,538,186.98
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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.