Finding the Fourth Proportional to 38,059,021.44, 57,075,737.97 and 13,792,867.68
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Solution
The fourth proportional to 38,059,021.44, 57,075,737.97 and 13,792,867.68 is: 20,684,664.81
Step by Step Solution
- Step 1: Write the proportion equation
38,059,021.44 : 57,075,737.97 = 13,792,867.68 : x - Step 2: Convert to fraction form
38,059,021.44/57,075,737.97 = 13,792,867.68/x - Step 3: Cross multiply
38,059,021.44x = 57,075,737.97 × 13,792,867.68 - Step 4: Simplify right side
38,059,021.44x = 787,238,101,558,561.75 - Step 5: Solve for x
x = 787,238,101,558,561.75/38,059,021.44 - Step 6: Final answer
x = 20,684,664.81
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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.