Finding the Fourth Proportional to 21,769,358.42, 32,658,761.54 and 6,622,896.26
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Solution
The fourth proportional to 21,769,358.42, 32,658,761.54 and 6,622,896.26 is: 9,935,781.55
Step by Step Solution
- Step 1: Write the proportion equation
21,769,358.42 : 32,658,761.54 = 6,622,896.26 : x - Step 2: Convert to fraction form
21,769,358.42/32,658,761.54 = 6,622,896.26/x - Step 3: Cross multiply
21,769,358.42x = 32,658,761.54 × 6,622,896.26 - Step 4: Simplify right side
21,769,358.42x = 216,295,589,659,497.81 - Step 5: Solve for x
x = 216,295,589,659,497.81/21,769,358.42 - Step 6: Final answer
x = 9,935,781.55
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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.