Finding the Fourth Proportional to 19,761,840.23, 29,651,238.36 and 7,639,817.22
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Solution
The fourth proportional to 19,761,840.23, 29,651,238.36 and 7,639,817.22 is: 11,463,003.39
Step by Step Solution
- Step 1: Write the proportion equation
19,761,840.23 : 29,651,238.36 = 7,639,817.22 : x - Step 2: Convert to fraction form
19,761,840.23/29,651,238.36 = 7,639,817.22/x - Step 3: Cross multiply
19,761,840.23x = 29,651,238.36 × 7,639,817.22 - Step 4: Simplify right side
19,761,840.23x = 226,530,041,417,052.56 - Step 5: Solve for x
x = 226,530,041,417,052.56/19,761,840.23 - Step 6: Final answer
x = 11,463,003.39
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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.