Finding the Fourth Proportional to 39,684,936.73, 54,763,361.70 and 22,044,982.63
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Solution
The fourth proportional to 39,684,936.73, 54,763,361.70 and 22,044,982.63 is: 30,421,047.80
Step by Step Solution
- Step 1: Write the proportion equation
39,684,936.73 : 54,763,361.70 = 22,044,982.63 : x - Step 2: Convert to fraction form
39,684,936.73/54,763,361.70 = 22,044,982.63/x - Step 3: Cross multiply
39,684,936.73x = 54,763,361.70 × 22,044,982.63 - Step 4: Simplify right side
39,684,936.73x = 1,207,257,357,163,090.50 - Step 5: Solve for x
x = 1,207,257,357,163,090.50/39,684,936.73 - Step 6: Final answer
x = 30,421,047.80
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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.