Finding the Fourth Proportional to 39,576,120.75, 54,613,726.20 and 21,934,271.61
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Solution
The fourth proportional to 39,576,120.75, 54,613,726.20 and 21,934,271.61 is: 30,268,563.00
Step by Step Solution
- Step 1: Write the proportion equation
39,576,120.75 : 54,613,726.20 = 21,934,271.61 : x - Step 2: Convert to fraction form
39,576,120.75/54,613,726.20 = 21,934,271.61/x - Step 3: Cross multiply
39,576,120.75x = 54,613,726.20 × 21,934,271.61 - Step 4: Simplify right side
39,576,120.75x = 1,197,912,304,104,973.25 - Step 5: Solve for x
x = 1,197,912,304,104,973.25/39,576,120.75 - Step 6: Final answer
x = 30,268,563.00
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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.