Finding the Fourth Proportional to 19,764,559.36, 29,651,950.14 and 11,574,118.54
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Solution
The fourth proportional to 19,764,559.36, 29,651,950.14 and 11,574,118.54 is: 17,364,170.87
Step by Step Solution
- Step 1: Write the proportion equation
19,764,559.36 : 29,651,950.14 = 11,574,118.54 : x - Step 2: Convert to fraction form
19,764,559.36/29,651,950.14 = 11,574,118.54/x - Step 3: Cross multiply
19,764,559.36x = 29,651,950.14 × 11,574,118.54 - Step 4: Simplify right side
19,764,559.36x = 343,195,185,862,529.56 - Step 5: Solve for x
x = 343,195,185,862,529.56/19,764,559.36 - Step 6: Final answer
x = 17,364,170.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.