Finding the Fourth Proportional to 19,344,548.21, 26,695,475.64 and 10,642,534.13
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Solution
The fourth proportional to 19,344,548.21, 26,695,475.64 and 10,642,534.13 is: 14,686,696.62
Step by Step Solution
- Step 1: Write the proportion equation
19,344,548.21 : 26,695,475.64 = 10,642,534.13 : x - Step 2: Convert to fraction form
19,344,548.21/26,695,475.64 = 10,642,534.13/x - Step 3: Cross multiply
19,344,548.21x = 26,695,475.64 × 10,642,534.13 - Step 4: Simplify right side
19,344,548.21x = 284,107,510,682,022.31 - Step 5: Solve for x
x = 284,107,510,682,022.31/19,344,548.21 - Step 6: Final answer
x = 14,686,696.62
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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.