Finding the Fourth Proportional to 29,122,853.70, 43,747,266.15 and 20,619,797.70
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Solution
The fourth proportional to 29,122,853.70, 43,747,266.15 and 20,619,797.70 is: 30,974,292.12
Step by Step Solution
- Step 1: Write the proportion equation
29,122,853.70 : 43,747,266.15 = 20,619,797.70 : x - Step 2: Convert to fraction form
29,122,853.70/43,747,266.15 = 20,619,797.70/x - Step 3: Cross multiply
29,122,853.70x = 43,747,266.15 × 20,619,797.70 - Step 4: Simplify right side
29,122,853.70x = 902,059,777,941,057.75 - Step 5: Solve for x
x = 902,059,777,941,057.75/29,122,853.70 - Step 6: Final answer
x = 30,974,292.12
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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.